Error in sitecustomize; set PYTHONVERBOSE for traceback:
AttributeError: module 'enum' has no attribute 'IntFlag'
Traceback (most recent call last):
  File "/private/var/tmp/_bazel_fedenusy/82761fbb391b03a602abc1324ff91dda/sandbox/darwin-sandbox/55/execroot/com_github_softwaremotor_smc/bazel-out/darwin-fastbuild/bin/libpy/kafka/tests/test_consumer.runfiles/com_github_softwaremotor_smc/libpy/kafka/tests/test_consumer.py", line 1, in <module>
    import unittest
  File "/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/unittest/__init__.py", line 58, in <module>
    from .result import TestResult
  File "/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/unittest/result.py", line 5, in <module>
    import traceback
  File "/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/traceback.py", line 5, in <module>
    import linecache
  File "/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/linecache.py", line 11, in <module>
    import tokenize
  File "/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/tokenize.py", line 33, in <module>
    import re
  File "/usr/local/Cellar/python/3.7.3/Frameworks/Python.framework/Versions/3.7/lib/python3.7/re.py", line 143, in <module>
    class RegexFlag(enum.IntFlag):
AttributeError: module 'enum' has no attribute 'IntFlag'