Cannot import pychromecast on system Python 3.10 without virtualenv

[Даниил Николаев (NeverMine)]

Python 3.10.4 (main, Apr  2 2022, 09:04:19) [GCC 11.2.0]
Type 'copyright', 'credits' or 'license' for more information
IPython 8.1.1 -- An enhanced Interactive Python. Type '?' for help.

In [1]: import pychromecast
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
Input In [1], in <cell line: 1>()
----> 1 import pychromecast

File /usr/local/lib/python3.10/dist-packages/pychromecast/__init__.py:14, in <module>
     12 from .config import *  # noqa: F403
     13 from .error import *  # noqa: F403
---> 14 from . import socket_client
     15 from .discovery import (  # noqa: F401
     16     DISCOVER_TIMEOUT,
     17     CastBrowser,
   (...)
     23     stop_discovery,
     24 )
     25 from .dial import get_cast_type

File /usr/local/lib/python3.10/dist-packages/pychromecast/socket_client.py:23, in <module>
     20 from collections import defaultdict, namedtuple
     21 from struct import pack, unpack
---> 23 from . import cast_channel_pb2
     24 from .controllers import BaseController
     25 from .controllers.media import MediaController

File /usr/local/lib/python3.10/dist-packages/pychromecast/cast_channel_pb2.py:20, in <module>
     13 _sym_db = _symbol_database.Default()
     18 DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x12\x63\x61st_channel.proto\x12\x1b\x65xtensions.api.cast_channel\"\xe3\x02\n\x0b\x43\x61stMessage\x12R\n\x10protocol_version\x18\x01 \x02(\x0e\x32\x38.extensions.api.cast_channel.CastMessage.ProtocolVersion\x12\x11\n\tsource_id\x18\x02 \x02(\t\x12\x16\n\x0e\x64\x65stination_id\x18\x03 \x02(\t\x12\x11\n\tnamespace\x18\x04 \x02(\t\x12J\n\x0cpayload_type\x18\x05 \x02(\x0e\x32\x34.extensions.api.cast_channel.CastMessage.PayloadType\x12\x14\n\x0cpayload_utf8\x18\x06 \x01(\t\x12\x16\n\x0epayload_binary\x18\x07 \x01(\x0c\"!\n\x0fProtocolVersion\x12\x0e\n\nCASTV2_1_0\x10\x00\"%\n\x0bPayloadType\x12\n\n\x06STRING\x10\x00\x12\n\n\x06\x42INARY\x10\x01\"\xce\x01\n\rAuthChallenge\x12]\n\x13signature_algorithm\x18\x01 \x01(\x0e\x32/.extensions.api.cast_channel.SignatureAlgorithm:\x0fRSASSA_PKCS1v15\x12\x14\n\x0csender_nonce\x18\x02 \x01(\x0c\x12H\n\x0ehash_algorithm\x18\x03 \x01(\x0e\x32*.extensions.api.cast_channel.HashAlgorithm:\x04SHA1\"\xb0\x02\n\x0c\x41uthResponse\x12\x11\n\tsignature\x18\x01 \x02(\x0c\x12\x1f\n\x17\x63lient_auth_certificate\x18\x02 \x02(\x0c\x12 \n\x18intermediate_certificate\x18\x03 \x03(\x0c\x12]\n\x13signature_algorithm\x18\x04 \x01(\x0e\x32/.extensions.api.cast_channel.SignatureAlgorithm:\x0fRSASSA_PKCS1v15\x12\x14\n\x0csender_nonce\x18\x05 \x01(\x0c\x12H\n\x0ehash_algorithm\x18\x06 \x01(\x0e\x32*.extensions.api.cast_channel.HashAlgorithm:\x04SHA1\x12\x0b\n\x03\x63rl\x18\x07 \x01(\x0c\"\xa3\x01\n\tAuthError\x12\x44\n\nerror_type\x18\x01 \x02(\x0e\x32\x30.extensions.api.cast_channel.AuthError.ErrorType\"P\n\tErrorType\x12\x12\n\x0eINTERNAL_ERROR\x10\x00\x12\n\n\x06NO_TLS\x10\x01\x12#\n\x1fSIGNATURE_ALGORITHM_UNAVAILABLE\x10\x02\"\xc6\x01\n\x11\x44\x65viceAuthMessage\x12=\n\tchallenge\x18\x01 \x01(\x0b\x32*.extensions.api.cast_channel.AuthChallenge\x12;\n\x08response\x18\x02 \x01(\x0b\x32).extensions.api.cast_channel.AuthResponse\x12\x35\n\x05\x65rror\x18\x03 \x01(\x0b\x32&.extensions.api.cast_channel.AuthError*J\n\x12SignatureAlgorithm\x12\x0f\n\x0bUNSPECIFIED\x10\x00\x12\x13\n\x0fRSASSA_PKCS1v15\x10\x01\x12\x0e\n\nRSASSA_PSS\x10\x02*%\n\rHashAlgorithm\x12\x08\n\x04SHA1\x10\x00\x12\n\n\x06SHA256\x10\x01\x42\x02H\x03')
---> 20 _SIGNATUREALGORITHM = DESCRIPTOR.enum_types_by_name['SignatureAlgorithm']
     21 SignatureAlgorithm = enum_type_wrapper.EnumTypeWrapper(_SIGNATUREALGORITHM)
     22 _HASHALGORITHM = DESCRIPTOR.enum_types_by_name['HashAlgorithm']

AttributeError: 'NoneType' object has no attribute 'enum_types_by_name'

Versions

PyChromecast==12.0.0
protobuf==3.18.1
zeroconf==0.38.4
casttube==0.2.1

[Sigmund Dewachtere]

I see the exact same traces when trying to add google cast integration in home assistant (which uses pychromecast).

Home Assistant 2022.11.4
Supervisor 2022.11.2
Operating System 9.3
Frontend 20221108.0 - latest