[ 
https://issues.apache.org/jira/browse/BEAM-7746?focusedWorklogId=501203&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-501203
 ]

ASF GitHub Bot logged work on BEAM-7746:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 15/Oct/20 17:49
            Start Date: 15/Oct/20 17:49
    Worklog Time Spent: 10m 
      Work Description: chadrik commented on a change in pull request #13060:
URL: https://github.com/apache/beam/pull/13060#discussion_r505725952



##########
File path: 
sdks/python/apache_beam/runners/portability/fn_api_runner/fn_runner.py
##########
@@ -539,6 +548,7 @@ def merge_results(last_result):
       else:
         data_input = deferred_inputs
         input_timers = fired_timers
+        # FIXME: this seems unused, and produces an attr-defined error
         bundle_manager._registered = True

Review comment:
       Can I safely get rid of this attribute?

##########
File path: 
sdks/python/apache_beam/runners/portability/fn_api_runner/translations.py
##########
@@ -307,6 +308,9 @@ def executable_stage_transform(
           for side in side_inputs
       },
                           main_input=main_input_id)
+      # at this point we should have resolved an environment, as the key of
+      # components.environments cannot be None.
+      assert self.environment is not None

Review comment:
       We discussed this before and said this was safe, but just wanted to 
double check. 

##########
File path: sdks/python/apache_beam/utils/profiler.py
##########
@@ -113,7 +116,10 @@ def __exit__(self, *args):
           h = self.hpy.heap()
           heap_dump_data = '%s\n%s' % (h, h.more)
           self._upload_profile_data(
-              'memory_profile', heap_dump_data, write_binary=False)
+              self.profile_location,
+              'memory_profile',
+              heap_dump_data,
+              write_binary=False)
 

Review comment:
       I decided to change this to pass in `self.profile_location` because in 
this context, where it's called, we know that it's not `None`.  Let's us avoid 
calling `assert` inside `self._upload_profile_data`




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

    Worklog Id:     (was: 501203)
    Time Spent: 111h 40m  (was: 111.5h)

> Add type hints to python code
> -----------------------------
>
>                 Key: BEAM-7746
>                 URL: https://issues.apache.org/jira/browse/BEAM-7746
>             Project: Beam
>          Issue Type: New Feature
>          Components: sdk-py-core
>            Reporter: Chad Dombrova
>            Priority: P3
>          Time Spent: 111h 40m
>  Remaining Estimate: 0h
>
> As a developer of the beam source code, I would like the code to use pep484 
> type hints so that I can clearly see what types are required, get completion 
> in my IDE, and enforce code correctness via a static analyzer like mypy.
> This may be considered a precursor to BEAM-7060
> Work has been started here:  [https://github.com/apache/beam/pull/9056]
>  
>  



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