4.1.0 error after relase in 2022.02.13 NameError: name '_UnpackAlias' is not defined #19
Description
File "/workspace/tools/venv/lib/python3.7/site-packages/typing_extensions.py", line 143, in _collect_type_vars
not isinstance(t, _UnpackAlias)
NameError: name '_UnpackAlias' is not defined
This bug was found in the CI of PaddleSpeech in the before dawn of 2022.02.14 (China), there are many python lib depends on typing, for exapmle, jsonlines, the error reporting stack is
2022-02-13 23:18:22 Traceback (most recent call last):
2022-02-13 23:18:22 File "/workspace/paddlespeech/t2s/exps/fastspeech2/../synthesize.py", line 18, in <module>
2022-02-13 23:18:22 import jsonlines
2022-02-13 23:18:22 File "/workspace/tools/venv/lib/python3.7/site-packages/jsonlines/__init__.py", line 6, in <module>
2022-02-13 23:18:22 from .jsonlines import (
2022-02-13 23:18:22 File "/workspace/tools/venv/lib/python3.7/site-packages/jsonlines/jsonlines.py", line 33, in <module>
2022-02-13 23:18:22 from typing_extensions import Literal # pragma: no cover
2022-02-13 23:18:22 File "/workspace/tools/venv/lib/python3.7/site-packages/typing_extensions.py", line 494, in <module>
2022-02-13 23:18:22 OrderedDict = typing._alias(collections.OrderedDict, (KT, VT))
2022-02-13 23:18:22 File "/usr/local/lib/python3.7/typing.py", line 1191, in _alias
2022-02-13 23:18:22 return _GenericAlias(origin, params, special=True, inst=inst)
2022-02-13 23:18:22 File "/usr/local/lib/python3.7/typing.py", line 613, in __init__
2022-02-13 23:18:22 self.__parameters__ = _collect_type_vars(params)
2022-02-13 23:18:22 File "/workspace/tools/venv/lib/python3.7/site-packages/typing_extensions.py", line 143, in _collect_type_vars
2022-02-13 23:18:22 not isinstance(t, _UnpackAlias)
2022-02-13 23:18:22 NameError: name '_UnpackAlias' is not defined
Our CI works well with the new release typing_extensions 4.1.1, Thanks