[jira] [Created] (BEAM-8525) trivial_inference: slice of Const[List[T]] returns T instead of List[T]

[Udi Meiri (Jira)]

Udi Meiri created BEAM-8525:
-------------------------------

             Summary: trivial_inference: slice of Const[List[T]] returns T 
instead of List[T]
                 Key: BEAM-8525
                 URL: https://issues.apache.org/jira/browse/BEAM-8525
             Project: Beam
          Issue Type: Bug
          Components: sdk-py-core
            Reporter: Udi Meiri
            Assignee: Udi Meiri


Bug is in binary_subscr.
Example (in trivial_inference_test.py):
{code}
  def testGetItemSlice(self):
    test_list = ['a', 'b']
    self.assertReturnType(typehints.List[str], lambda: test_list[:], [])
{code}




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