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python/qmp: return generic type from context manager

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__enter__ can be invoked from a subclass, so it needs a more flexible
type.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20210607200649.1840382-31-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
John Snow 2021-06-07 16:06:37 -04:00
parent 6e24a7edb8
commit eac8aabc92
1 changed files with 4 additions and 1 deletions
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5
python/qemu/qmp/__init__.py
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@ -30,6 +30,7 @@ from typing import (
TextIO,
Tuple,
Type,
TypeVar,
Union,
cast,
)
@ -220,7 +221,9 @@ class QEMUMonitorProtocol:
if ret is None:
raise QMPConnectError("Error while reading from socket")
def __enter__(self) -> 'QEMUMonitorProtocol':
T = TypeVar('T')
def __enter__(self: T) -> T:
# Implement context manager enter function.
return self