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https://issues.apache.org/jira/browse/BEAM-3143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16273930#comment-16273930
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ASF GitHub Bot commented on BEAM-3143:
--------------------------------------
luke-zhu commented on a change in pull request #4183: [BEAM-3143] Type
Inference Python 3 Compatibility
URL: https://github.com/apache/beam/pull/4183#discussion_r154266327
##########
File path: sdks/python/apache_beam/typehints/opcodes.py
##########
@@ -261,13 +264,22 @@ def build_list(state, arg):
def load_attr(state, arg):
+ """Replaces the top of the stack, TOS, with with
+ getattr(TOS, co_names[arg])
+ """
o = state.stack.pop()
name = state.get_name(arg)
if isinstance(o, Const) and hasattr(o.value, name):
state.stack.append(Const(getattr(o.value, name)))
elif (isinstance(o, type)
Review comment:
I was not able to handle the nested class case so I stayed with a subset of
callable types.
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> Fix type inference in Python 3 for generators
> ---------------------------------------------
>
> Key: BEAM-3143
> URL: https://issues.apache.org/jira/browse/BEAM-3143
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-py-core
> Reporter: holdenk
>
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