Python 3.9.10 breaks requests-cache with "TypeError: Invalid first argument to register(). ForwardRef(...) is not a class
hunkyburrito opened this issue · comments
Describe the bug
This problem is not specific to anime downloader. See requests-cache#501
The fix to this issue is already implemented in requests-cache==0.9.1 so installing that version will resolve the problem.
To reproduce
Use python 3.9.10 environment
anime
LOG
~ $ anime
Traceback (most recent call last):
File "/data/data/com.termux/files/usr/bin/anime", line 33, in <module>
sys.exit(load_entry_point('anime-downloader==5.0.18', 'console_scripts', 'anime')())
File "/data/data/com.termux/files/usr/bin/anime", line 25, in importlib_load_entry_point
return next(matches).load()
File "/data/data/com.termux/files/usr/lib/python3.10/importlib/metadata/__init__.py", line 171, in load
module = import_module(match.group('module'))
File "/data/data/com.termux/files/usr/lib/python3.10/importlib/__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
File "<frozen importlib._bootstrap>", line 992, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 883, in exec_module
File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
File "/data/data/com.termux/files/usr/lib/python3.10/site-packages/anime_downloader/__init__.py", line 1, in <module>
from anime_downloader.sites import get_anime_class
File "/data/data/com.termux/files/usr/lib/python3.10/site-packages/anime_downloader/sites/__init__.py", line 2, in <module>
from .anime import Anime
File "/data/data/com.termux/files/usr/lib/python3.10/site-packages/anime_downloader/sites/anime.py", line 10, in <module>
from anime_downloader import util
File "/data/data/com.termux/files/usr/lib/python3.10/site-packages/anime_downloader/util.py", line 23, in <module>
from anime_downloader import session
File "/data/data/com.termux/files/usr/lib/python3.10/site-packages/anime_downloader/session.py", line 5, in <module>
import requests_cache
File "/data/data/com.termux/files/usr/lib/python3.10/site-packages/requests_cache/__init__.py", line 43, in <module>
from .backends import *
File "/data/data/com.termux/files/usr/lib/python3.10/site-packages/requests_cache/backends/__init__.py", line 8, in <module>
from .base import BaseCache, BaseStorage
File "/data/data/com.termux/files/usr/lib/python3.10/site-packages/requests_cache/backends/base.py", line 18, in <module>
from ..serializers import init_serializer
File "/data/data/com.termux/files/usr/lib/python3.10/site-packages/requests_cache/serializers/__init__.py", line 6, in <module>
from .preconf import (
File "/data/data/com.termux/files/usr/lib/python3.10/site-packages/requests_cache/serializers/preconf.py", line 26, in <module>
base_stage = CattrStage() #: Base stage for all serializer pipelines
File "/data/data/com.termux/files/usr/lib/python3.10/site-packages/requests_cache/serializers/cattrs.py", line 32, in __init__
self.converter = init_converter(factory)
File "/data/data/com.termux/files/usr/lib/python3.10/site-packages/requests_cache/serializers/cattrs.py", line 67, in init_converter
converter.register_structure_hook(
File "/data/data/com.termux/files/usr/lib/python3.10/site-packages/cattr/converters.py", line 269, in register_structure_hook
self._structure_func.register_cls_list([(cl, func)])
File "/data/data/com.termux/files/usr/lib/python3.10/site-packages/cattr/dispatch.py", line 57, in register_cls_list
self._single_dispatch.register(cls, handler)
File "/data/data/com.termux/files/usr/lib/python3.10/functools.py", line 856, in register
raise
TypeError( TypeError: Invalid first argument to `register()`. ForwardRef('CachedResponse') is not a class.