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https://issues.apache.org/jira/browse/BEAM-9797?focusedWorklogId=428819&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-428819
 ]

ASF GitHub Bot logged work on BEAM-9797:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 30/Apr/20 00:55
            Start Date: 30/Apr/20 00:55
    Worklog Time Spent: 10m 
      Work Description: Hannah-Jiang commented on a change in pull request 
#11502:
URL: https://github.com/apache/beam/pull/11502#discussion_r417696355



##########
File path: sdks/java/container/license_scripts/pull_licenses_java.py
##########
@@ -35,18 +35,9 @@
 from tenacity import retry
 from tenacity import stop_after_attempt
 from tenacity import wait_exponential
+from urllib.request import urlopen, URLError, HTTPError
+
 
-try:
-    # py2
-    from future.moves.urllib.request import urlopen
-    from future.moves.urllib.request import URLError, HTTPError
-except:
-    # py3
-    from future import standard_library
-    from urllib.request import urlopen, URLError, HTTPError

Review comment:
       This is running in a virtualenv as implemented 
[here](https://github.com/apache/beam/blob/master/sdks/java/container/license_scripts/license_script.sh#L28).
   
   When I check locally with py2, it created py3.7 env. Default Python version 
on Jenkins is also 2.7 and the script run successfully. Maybe in both cases, 
Python3 was installed on the machine, so it is able to create virtualenv with 
Python3?
   
   Can you please check what version of Python was installed at 
sdks/java/container/build/virtualenv?




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 428819)
    Time Spent: 4h  (was: 3h 50m)

> license_script.sh calls pip install/uninstall in local env
> ----------------------------------------------------------
>
>                 Key: BEAM-9797
>                 URL: https://issues.apache.org/jira/browse/BEAM-9797
>             Project: Beam
>          Issue Type: Bug
>          Components: build-system
>            Reporter: Udi Meiri
>            Assignee: Hannah Jiang
>            Priority: Major
>             Fix For: 2.21.0
>
>          Time Spent: 4h
>  Remaining Estimate: 0h
>
> File is: 
> https://github.com/apache/beam/blob/master/sdks/java/container/license_scripts/license_script.sh
> The problem is with the code that does pip install and uninstall.
> 1. It is not okay to modify the local environment.
> 2. Running this script in parallel with itself (on Jenkins) has a chance to 
> cause a race.
> The solution is to use a tox environment to run this script in. Tox will take 
> care of creating a virtualenv with the required dependencies.



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