Jun 8, 2023 · Databricks NameError: name 'expr' is not defined. When attempting to execute the following spark code in Databricks I get the error: NameError: name 'expr' is not defined %python df = sql ("select * from xxxxxxx.xxxxxxx") transfromWithCol = (df.withColumn ("MyTestName", expr ("case when first_name = 'Peter' then 1 else 0 end"))) I have the following functions with the following math methods: math.max and math.ceil. def dp(): defaultParallelism = spark.sparkContext.defaultParallelism return defaultParallelism def file...How many terms do you want for the sequence? 5 Traceback (most recent call last): File "fibonacci.py", line 18, in <module> n = calculate_nt_term(n1, n2) NameError: name 'calculate_nt_term' is not defined. Python cannot find the name “calculate_nt_term” in the program because of the misspelling.Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsThis occurs if you create a Notebook and then rename it to a PY file. If you open that file, the source Python code will wrapped with curly braces, double quotes, with the first several lines containing the erroneous null reference. You can actually import this as-is, but you have to stop and restart the kernel for the notebook doing the import …You're already importing only the exception from botocore, not all of botocore, so it doesn't exist in the namespace to have an attribute called from it.Either import all of botocore, or just call the exception by name. except botocore.ProfileNotFound-> except ProfileNotFound – G. AndersonI'm running the PySpark shell and unable to create a dataframe. I've done import pyspark from pyspark.sql.types import StructField from pyspark.sql.types import StructType all without any errors 4. This is how I did it by converting the glue dynamic frame to spark dataframe first. Then using the glueContext object and sql method to do the query. spark_dataframe = glue_dynamic_frame.toDF () spark_dataframe.createOrReplaceTempView ("spark_df") glueContext.sql (""" SELECT …PySpark lit () function is used to add constant or literal value as a new column to the DataFrame. Creates a [ [Column]] of literal value. The passed in object is returned directly if it is already a [ [Column]]. If the object is a Scala Symbol, it is converted into a [ [Column]] also. Otherwise, a new [ [Column]] is created to represent the ...Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers.PySpark: NameError: name 'col' is not defined. I am trying to find the length of a dataframe column, I am running the following code: from pyspark.sql.functions import * def check_field_length (dataframe: object, name: str, required_length: int): dataframe.where (length (col (name)) >= required_length).show ()Mar 21, 2016 · Thanks for help. I am using scala for development and when i used SaveMode.ErrorIfExists , it is not working but mode as "error" it works perfectly. Apache Spark SQL documentations says that SaveMode.ErrorIfExists is accepted for scala/java which does not seems to happen. Any idea? – SparkSession.builder.master("local").appName("Detecting-Malicious-URL App") .config("spark.some.config.option", "some-value") To overcome this error …PySpark lit () function is used to add constant or literal value as a new column to the DataFrame. Creates a [ [Column]] of literal value. The passed in object is returned directly if it is already a [ [Column]]. If the object is a Scala Symbol, it is converted into a [ [Column]] also. Otherwise, a new [ [Column]] is created to represent the ...Traceback (most recent call last): File "main.py", line 3, in <module> print_books(books) NameError: name 'print_books' is not defined We are trying to call print_books() on line three. However, we do not define this function until later in our program.Yes, I have. INSTALLED_APPS= ['rest_framework'] django restframework is already installed and I have added both est_framework and my application i.e. restapp in INSTALLED_APPS too. first of all change you class name to uppercase Employee, and you are using ModelSerializer, why you using esal=serializers.FloatField (required=False), …1 Answer. Sorted by: 6. dt means nothing in your current code what the interpreter kindly tells you. What you're trying to do is to call a datetime.datetime.fromtimestamp () You can change your import to: import datetime as dt. and then dt will be an alias for datetime package so dt.datetime.fromtimestamp (created) …1 Answer. You are using the built-in function 'count' which expects an iterable object, not a column name. You need to explicitly import the 'count' function with the same name from pyspark.sql.functions. from pyspark.sql.functions import count as _count old_table.groupby ('name').agg (countDistinct ('age'), _count ('age'))4. This is how I did it by converting the glue dynamic frame to spark dataframe first. Then using the glueContext object and sql method to do the query. spark_dataframe = glue_dynamic_frame.toDF () spark_dataframe.createOrReplaceTempView ("spark_df") glueContext.sql (""" SELECT …41 1 4. Add a comment. 3. it would be cleaner a solution like this: import pyspark.sql.functions as F df.select (colname).agg (F.avg (colname)) Share. Improve this answer. Follow. answered Sep 15, 2020 at 11:26.Feb 22, 2016 · Here's a function that removes all whitespace in a string: import pyspark.sql.functions as F def remove_all_whitespace (col): return F.regexp_replace (col, "\\s+", "") You can use the function like this: actual_df = source_df.withColumn ( "words_without_whitespace", quinn.remove_all_whitespace (col ("words")) ) registerFunction(name, f, returnType=StringType)¶ Registers a python function (including lambda function) as a UDF so it can be used in SQL statements. In addition to a name …1 Answer. You can solve this problem by adding another argument into the save_character function so that the character variable must be passed into the brackets when calling the function: def save_character (save_name, character): save_name_pickle = save_name + '.pickle' type ('> saving character') w (1) with open (save_name_pickle, 'wb') as f ...I'm running the PySpark shell and unable to create a dataframe. I've done import pyspark from pyspark.sql.types import StructField from pyspark.sql.types import StructType all without any errorsI used import select before calling the function that has select.. I used select as shown below: rl, wl, xl = select.select([stdout.channel], [], [], 0.0) Here stdout.channel is something I am reading from an SSH connection through paramiko.. Stack Trace: File "C:\Code\Test.py", line 84, in Test rl, wl, xl = select.select([stdout.channel], [], [], 0.0) …Feb 10, 2017 · 1 Answer. You are using the built-in function 'count' which expects an iterable object, not a column name. You need to explicitly import the 'count' function with the same name from pyspark.sql.functions. from pyspark.sql.functions import count as _count old_table.groupby ('name').agg (countDistinct ('age'), _count ('age')) Mar 27, 2022 · I don't think this is the command to be used because Python can't find the variable called spark. spark.read.csv means "find the variable spark, get the value of its read attribute and then get this value's csv method", but this fails since spark doesn't exist. This isn't a Spark problem: you could've as well written nonexistent_variable.read.csv. Jan 22, 2020 · 1 Answer. Sorted by: 6. You can use pyspark.sql.functions.split (), but you first need to import this function: from pyspark.sql.functions import split. It's better to explicitly import just the functions you need. Do not do from pyspark.sql.functions import *. Share. Improve this answer. I' ve searched Stack resoures BTW and I didn't find anything. Take a look at the start of the section 1.1.3. You have to type first from string import *. >>> from string import* >>> nb_a = count (seq, 'a') Traceback (most recent call last): File "<pyshell#73>", line 1, in <module> nb_a = count (seq, 'a') NameError: name 'count' is not defined ...1 Answer. You need from numpy import array. This is done for you by the Spyder console. But in a program, you must do the necessary imports; the advantage is that your program can be run by people who do not have Spyder, for instance. I am not sure of what Spyder imports for you by default. array might be imported through from pylab import * or ... pyspark : NameError: name ‘spark’ is not defined This is because there is no default in Python program pyspark.sql.session . sparksession , so we just need to import the relevant modules and then convert them to sparksession .registerFunction(name, f, returnType=StringType)¶ Registers a python function (including lambda function) as a UDF so it can be used in SQL statements. In addition to a name and the function itself, the return type can be optionally specified. When the return type is not given it default to a string and conversion will automatically be done. SparkSession.builder.getOrCreate () I'm not sure you need a SQLContext. spark.sql () or spark.read () are the dataset entry points. First bullet here on Spark docs. SparkSession is now the new entry point of Spark that replaces the old SQLContext and HiveContext. If you need an sc variable at all, that is sc = spark.sparkContext.May 1, 2020 · NameError: name 'spark' is not defined #12. NameError: name 'spark' is not defined. #12. Closed. sebcruz opened this issue on May 1, 2020 · 2 comments. gbrueckl closed this as completed on May 26, 2020. Sign up for free to join this conversation on GitHub . 100. The best way that I've found to do it is to combine several StringIndex on a list and use a Pipeline to execute them all: from pyspark.ml import Pipeline from pyspark.ml.feature import StringIndexer indexers = [StringIndexer (inputCol=column, outputCol=column+"_index").fit (df) for column in list (set (df.columns)-set ( ['date ...You're already importing only the exception from botocore, not all of botocore, so it doesn't exist in the namespace to have an attribute called from it.Either import all of botocore, or just call the exception by name. except botocore.ProfileNotFound-> except ProfileNotFound – G. AndersonIn PySpark there is a method you can use to either get the current session by name if it already exists or create a new one if it does not exist. In your scenario it sounds like Databricks has the session already created (so the get or create would just get the session) and in sonarqube it sounds like the session is not created yet so this ...I'm using a notebook within Databricks. The notebook is set up with python 3 if that helps. Everything is working fine and I can extract data from Azure Storage. However when I run: import org.apa...Yes, I have. INSTALLED_APPS= ['rest_framework'] django restframework is already installed and I have added both est_framework and my application i.e. restapp in INSTALLED_APPS too. first of all change you class name to uppercase Employee, and you are using ModelSerializer, why you using esal=serializers.FloatField (required=False), …Nov 17, 2015 · Add a comment. -1. The first thing a Spark program must do is to create a SparkContext object, which tells Spark how to access a cluster. To create a SparkContext you first need to build a SparkConf object that contains information about your application. conf = SparkConf ().setAppName (appName).setMaster (master) sc = SparkContext (conf=conf ... Aug 10, 2023 · However, when you define the function in an external module and import it, the scope of the spark object changes, leading to the "NameError: name 'spark' is not defined" issue. Here's why this happens and how you can properly create a separate module with Spark functions: Apr 30, 2020 · Part of Microsoft Azure Collective. 0. I am trying to use DBUtils and Pyspark from a jupyter notebook python script (running on Docker) to access an Azure Data Lake Blob. However, I can't seem to get dbutils to be recognized (i.e. NameError: name 'dbutils' is not defined). I've tried explicitly importing DBUtils, as well as not importing it as ... Yes, I have. INSTALLED_APPS= ['rest_framework'] django restframework is already installed and I have added both est_framework and my application i.e. restapp in INSTALLED_APPS too. first of all change you class name to uppercase Employee, and you are using ModelSerializer, why you using esal=serializers.FloatField (required=False), …1 Answer. Sorted by: 6. dt means nothing in your current code what the interpreter kindly tells you. What you're trying to do is to call a datetime.datetime.fromtimestamp () You can change your import to: import datetime as dt. and then dt will be an alias for datetime package so dt.datetime.fromtimestamp (created) …If you are getting Spark Context 'sc' Not Defined in Spark/PySpark shell use below export export PYSPARK_SUBMIT_ARGS="--master local[1] pyspark-shell" vi …SparkSession.builder.getOrCreate () I'm not sure you need a SQLContext. spark.sql () or spark.read () are the dataset entry points. First bullet here on Spark docs. SparkSession is now the new entry point of Spark that replaces the old SQLContext and HiveContext. If you need an sc variable at all, that is sc = spark.sparkContext.Jul 14, 2021 · 按热度 按时间. svdrlsy4 1#. 如果您使用的是ApacheSpark1.x行（即ApacheSpark2.0之前的版本），则要访问 sqlContext ，则需要导入 sqlContext ; 即. from pyspark.sql import SQLContext. sqlContext = SQLContext(sc) 如果您使用的是apachespark2.0，那么 Spark Session 而是直接。. 因此，您的代码将 ... 5 Answers. Sorted by: 102. Change this line: t = timeit.Timer ("foo ()") To this: t = timeit.Timer ("foo ()", "from __main__ import foo") Check out the link you provided at the very bottom. To give the timeit module access to functions you define, you can pass a setup parameter which contains an import statement:To check the spark version you have enter (in cmd): spark-shell --version. And, to check Pyspark version enter (in cmd): pip show pyspark. After that, Use the following code to create SparkContext : conf = pyspark.SparkConf () sqlcontext = pyspark.SparkContext.getOrCreate (conf=conf) sc = SQLContext (sqlcontext) after that …I m executing the below code and using Pyhton in notebook and it appears that the col() function is not getting recognized . I want to know if the col() function belongs to any specific Dataframe library or Python library .I dont want to use pyspark api and would like to write code using sql datafra...Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsYes, I have. INSTALLED_APPS= ['rest_framework'] django restframework is already installed and I have added both est_framework and my application i.e. restapp in INSTALLED_APPS too. first of all change you class name to uppercase Employee, and you are using ModelSerializer, why you using esal=serializers.FloatField (required=False), …Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsAug 10, 2023 · However, when you define the function in an external module and import it, the scope of the spark object changes, leading to the "NameError: name 'spark' is not defined" issue. Here's why this happens and how you can properly create a separate module with Spark functions: NameError: name ‘spark’ is not defined错误通常出现在我们试图使用PySpark之前没有正确初始化SparkSession时。. 当我们使用PySpark之前，我们需要通过以下代码初始化SparkSession：. from pyspark.sql import SparkSession # 初始化 SparkSession spark = SparkSession.builder.appName("AppName").getOrCreate ... You've got to use self. Or, if you want to be explicit, then do this: class sampleclass: count = 0 # class attribute def increase (self): sampleclass.count += 1 # Calling increase () on an object s1 = sampleclass () s1.increase () print (s1.count) You can do this because count is a class variable. You can also access count from outside the ...which will open your contents in a new browser. I'm not sure about Streamlit, but I know that there is None instead of null in Python. You can try to define null = None in your script C:\Users\cupac\desktop\untitled.py at the top - it might work! As it’s currently written, your answer is unclear.Hi Oli, Thank you, thats pointed me the right way. The entire code for my experiment is: #beginning of code for experiment! from psychopy import visual, core, event #import some libraries from PsychoPy trial_timer = core.Clock()I'm running the PySpark shell and unable to create a dataframe. I've done import pyspark from pyspark.sql.types import StructField from pyspark.sql.types import StructType all without any errors Outcome: NameError: name 'spark' is not defined. Solution: add the following to the .py file: from pyspark.sql import SparkSession spark = SparkSession.builder.getOrCreate() Are there any implications to this? Does the notebook code and .py code share the same session or does this cause separate sessions? …NameError: name 'SparkSession' is not defined My script starts in this way: from pyspark.sql import * spark = SparkSession.builder.getOrCreate() from pyspark.sql.functions import trim, to_date, year, month sc= SparkContext()Convert Spark SQL Dataframe to Pandas Dataframe. I'm current using a Databricks notebook, intially in Scala, using JDBC to connect to a SQL server and return a table. i use the following code to query and display the table within the notebook. val ViewSQLTable= spark.read.jdbc (jdbcURL, "api.meter_asset_enquiry", …NameError: name 'SparkSession' is not defined My script starts in this way: from pyspark.sql import * spark = SparkSession.builder.getOrCreate() from pyspark.sql.functions import trim, to_date, year, month sc= SparkContext()Mar 9, 2020 · This does not provide an answer to the question. Once you have sufficient reputation you will be able to comment on any post ; instead, provide answers that don't require clarification from the asker . Databricks NameError: name 'expr' is not defined. When attempting to execute the following spark code in Databricks I get the error: NameError: name 'expr' is not defined %python df = sql ("select * from xxxxxxx.xxxxxxx") transfromWithCol = (df.withColumn ("MyTestName", expr ("case when first_name = 'Peter' then 1 else 0 end")))1 Answer. Sorted by: 1. Only issue here is undefined session, you need identify with this session = rembg.new_session (). After that you can take output. Share. Improve this answer. Follow.The above code works perfectly on Jupiter notebook but doesn't work when trying to run the same code saved in a python file with spark-submit I get the following errors. NameError: name 'spark' is not defined. when i replace spark.read.format("csv") with sc.read.format("csv") I get the following errorwhich will open your contents in a new browser. I'm not sure about Streamlit, but I know that there is None instead of null in Python. You can try to define null = None in your script C:\Users\cupac\desktop\untitled.py at the top - it might work! As it’s currently written, your answer is unclear.Jun 23, 2015 · That would fix it but next you might get NameError: name 'IntegerType' is not defined or NameError: name 'StringType' is not defined .. To avoid all of that just do: from pyspark.sql.types import *. Alternatively import all the types you require one by one: from pyspark.sql.types import StructType, IntegerType, StringType. Apr 25, 2016 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams This means that if you try to evaluate an expression that is just match, it will not be treated as a match statement, but as a variable called match, which isn't defined in your case (no pun intended). Try writing a complete match statement. Thanks this works! A complete match statement is required.You're already importing only the exception from botocore, not all of botocore, so it doesn't exist in the namespace to have an attribute called from it.Either import all of botocore, or just call the exception by name. except botocore.ProfileNotFound-> except ProfileNotFound – G. Anderson1 Answer. Sorted by: 1. Only issue here is undefined session, you need identify with this session = rembg.new_session (). After that you can take output. Share. Improve this answer. Follow.1 Answer. Sorted by: 6. dt means nothing in your current code what the interpreter kindly tells you. What you're trying to do is to call a datetime.datetime.fromtimestamp () You can change your import to: import datetime as dt. and then dt will be an alias for datetime package so dt.datetime.fromtimestamp (created) …Apr 8, 2019 · You're already importing only the exception from botocore, not all of botocore, so it doesn't exist in the namespace to have an attribute called from it. Either import all of botocore, or just call the exception by name. 100. The best way that I've found to do it is to combine several StringIndex on a list and use a Pipeline to execute them all: from pyspark.ml import Pipeline from pyspark.ml.feature import StringIndexer indexers = [StringIndexer (inputCol=column, outputCol=column+"_index").fit (df) for column in list (set (df.columns)-set ( ['date ...Aug 10, 2023 · However, when you define the function in an external module and import it, the scope of the spark object changes, leading to the "NameError: name 'spark' is not defined" issue. Here's why this happens and how you can properly create a separate module with Spark functions: 1 Answer. You need from numpy import array. This is done for you by the Spyder console. But in a program, you must do the necessary imports; the advantage is that your program can be run by people who do not have Spyder, for instance. I am not sure of what Spyder imports for you by default. array might be imported through from pylab import * or ...SparkSession.createDataFrame(data, schema=None, samplingRatio=None, verifySchema=True)¶ Creates a DataFrame from an RDD, a list or a pandas.DataFrame.. When schema is a list of column names, the type of each column will be inferred from data.. When schema is None, it will try to infer the schema (column names and types) from …This is great for renaming a few columns. See my answer for a solution that can programatically rename columns. Say you have 200 columns and you'd like to rename 50 of them that have a certain type of column name and leave the other 150 unchanged.Note that ISODate is a part of MongoDB and is not available in your case. You should be using Date instead and the MongoDB drivers(e.g. the Mongoose ORM that you are currently using) will take care of the type conversion between Date and ISODate behind the scene.4. This issue could be solved by two ways. If you try to find the Null values from your dataFrame you should use the NullType. Like this: if type (date_col) == NullType. Or you can find if the date_col is None like this: if date_col is None. I hope this help.How to Fix NameError: name 'x' is not defined | Solution. variable is passed as an argument to the function when it is called. This ensures that the. Get a clear explanation …Hi Oli, Thank you, thats pointed me the right way. The entire code for my experiment is: #beginning of code for experiment! from psychopy import visual, core, event #import some libraries from PsychoPy trial_timer = core.Clock()I use this code to return the day name from a date of type string: import Pandas as pd df = pd.Timestamp("2019-04-10") print(df.weekday_name) so when I have "2019-04-10" the code returns "Wednesday" I would like to apply it a column in Pyspark DataFrame to get the day name in text. But it doesn't seem to work.Jan 23, 2023 · Outcome: NameError: name 'spark' is not defined Solution: add the following to the .py file: from pyspark.sql import SparkSession spark = SparkSession.builder.getOrCreate () Are there any implications to this? Does the notebook code and .py code share the same session or does this cause separate sessions? Solution 2: Use alias for the col function. If you want to use another name for the “col” function, you can import it with an alias by using the following line at the top or beginning of your script. For example: from pyspark.sql.functions import col as column. This solution allows you to use the column function in your code instead of ...
The error message on the first line here is clear: name 'spark' is not defined, which is enough information to resolve the problem: we need to start a Spark session. This error …. Fc2 ppv 3569922
NameError: name 'SparkSession' is not defined My script starts in this way: from pyspark.sql import * spark = SparkSession.builder.getOrCreate() from pyspark.sql.functions import trim, to_date, year, month sc= SparkContext()TypeError: Invalid argument, not a string or column: <function <lambda> at 0x7f1f357c6160> of type <class 'function'> 0 How to Compile a While Loop statement in PySpark on Apache Spark with DatabricksFor Python to recognise a name, that name needs to be defined somewhere, usually either via an import or an assignment (though there are other mechanisms). The exception to that rule would be the builtins, but isInstance isn't a builtin. Possibly you wanted isinstance, which is a builtin. but that's a different name: Python identifiers are case ...Aug 18, 2020 · I have a function all_purch_spark() that sets a Spark Context as well as SQL Context for five different tables. The same function then successfully runs a sql query against an AWS Redshift DB. It ... 1 Answer. You can solve this problem by adding another argument into the save_character function so that the character variable must be passed into the brackets when calling the function: def save_character (save_name, character): save_name_pickle = save_name + '.pickle' type ('> saving character') w (1) with open (save_name_pickle, 'wb') as f ...I solved defining the following helper function in my model's module: from uuid import uuid4 def generateUUID (): return str (uuid4 ()) then: f = models.CharField (default=generateUUID, max_length=36, unique=True, editable=False) south will generate a migration file (migrations.0001_initial) with a generated UUID like: default='5c88ff72-def3 ...1. In pysparkShell, SparkContext is already initialized as SparkContext (app=PySparkShell, master=local [*]) so you just need to use getOrCreate () to set the SparkContext to a variable as. sc = SparkContext.getOrCreate () sqlContext = SQLContext (sc) For coding purpose in simple local mode, you can do the following.Feb 20, 2019 · 1 Answer. Sorted by: Reset to default. This answer is useful. 4. This answer is not useful. Save this answer. Show activity on this post. try this : from pyspark.sql.session import SparkSession spark = SparkSession.builder.getOrCreate () @ignore_unicode_prefix @since (2.3) def registerJavaFunction (self, name, javaClassName, returnType = None): """Register a Java user-defined function as a SQL function. In addition to a name and the function itself, the return type can be optionally specified. When the return type is not specified we would infer it via reflection.:param …Jan 23, 2023 · Outcome: NameError: name 'spark' is not defined Solution: add the following to the .py file: from pyspark.sql import SparkSession spark = SparkSession.builder.getOrCreate () Are there any implications to this? Does the notebook code and .py code share the same session or does this cause separate sessions? 100. The best way that I've found to do it is to combine several StringIndex on a list and use a Pipeline to execute them all: from pyspark.ml import Pipeline from pyspark.ml.feature import StringIndexer indexers = [StringIndexer (inputCol=column, outputCol=column+"_index").fit (df) for column in list (set (df.columns)-set ( ['date ...I don't think this is the command to be used because Python can't find the variable called spark.spark.read.csv means "find the variable spark, get the value of its read attribute and then get this value's csv method", but this fails since spark doesn't exist. This isn't a Spark problem: you could've as well written nonexistent_variable.read.csv. – …Jun 6, 2015 · 2 Answers. from pyspark import SparkConf, SparkContext from pyspark.sql import SQLContext conf = SparkConf ().setAppName ("building a warehouse") sc = SparkContext (conf=conf) sqlCtx = SQLContext (sc) Hope this helps. sc is a helper value created in the spark-shell, but is not automatically created with spark-submit. Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams3 Answers. Sorted by: 2. Your specific issue of NameError: name 'guess' is not defined is because guess is defined in your main function, but the while loop that it is failing on is outside of that function. Your indention is entirely wrong for this application. If you want your while guess != number: to work, you need to make it part of main.registerFunction(name, f, returnType=StringType)¶ Registers a python function (including lambda function) as a UDF so it can be used in SQL statements. In addition to a name …Add a comment. -1. The first thing a Spark program must do is to create a SparkContext object, which tells Spark how to access a cluster. To create a SparkContext you first need to build a SparkConf object that contains information about your application. conf = SparkConf ().setAppName (appName).setMaster (master) sc = SparkContext ….
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