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Rephrase problematic Optional[Type[JSONEncoder]] (for Python < 3.5.3)

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On Ubuntu 16.04, which has Python 3.5.2, this raised `TypeError:
descriptor '__subclasses__' of 'type' object needs an
argument` (https://github.com/python/typing/issues/266).

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
This commit is contained in:
Anders Kaseorg
2019-10-08 22:49:46 +03:00
committed by Sergey Petrov
parent 88ee900854
commit a3c5b48cef
1 changed files with 2 additions and 3 deletions
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apns2/client.py
+2 -3
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@@ -5,9 +5,8 @@ import time
import typing import typing
import weakref import weakref
from enum import Enum from enum import Enum
from json import JSONEncoder
from threading import Thread from threading import Thread
from typing import Dict, Iterable, Optional, Tuple, Type, Union from typing import Dict, Iterable, Optional, Tuple, Union
from .credentials import CertificateCredentials, Credentials from .credentials import CertificateCredentials, Credentials
from .errors import ConnectionFailed, exception_class_for_reason from .errors import ConnectionFailed, exception_class_for_reason
@@ -50,7 +49,7 @@ class APNsClient(object):
def __init__(self, def __init__(self,
credentials: Union[Credentials, str], credentials: Union[Credentials, str],
use_sandbox: bool = False, use_alternative_port: bool = False, proto: Optional[str] = None, use_sandbox: bool = False, use_alternative_port: bool = False, proto: Optional[str] = None,
json_encoder: Optional[Type[JSONEncoder]] = None, password: Optional[str] = None, json_encoder: Optional[type] = None, password: Optional[str] = None,
proxy_host: Optional[str] = None, proxy_port: Optional[int] = None, proxy_host: Optional[str] = None, proxy_port: Optional[int] = None,
heartbeat_period: Optional[float] = None) -> None: heartbeat_period: Optional[float] = None) -> None:
if isinstance(credentials, str): if isinstance(credentials, str):