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Fix raiser is not callable. #5155

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merged 4 commits into from
Mar 28, 2022
Merged

Fix raiser is not callable. #5155

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9054f2b
Fix raiser is not callable.
MichaelBroughton Mar 28, 2022
9d106ca
Better fix.
MichaelBroughton Mar 28, 2022
b9960fb
Specify click dependency.
MichaelBroughton Mar 28, 2022
e31d55e
Merge branch 'master' into lint_fix2
CirqBot Mar 28, 2022
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Better fix.
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@MichaelBroughton
MichaelBroughton committed Mar 28, 2022
commit 9d106caaa98f937582023b8743affda283b20adc
8 changes: 4 additions & 4 deletions cirq-core/cirq/protocols/pow_protocol.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.

from typing import Any, overload, TYPE_CHECKING, TypeVar, Union
from typing import Any, cast, overload, TYPE_CHECKING, TypeVar, Union, Callable

if TYPE_CHECKING:
import cirq
Expand All @@ -24,7 +24,7 @@
TDefault = TypeVar('TDefault')


# pylint: disable=function-redefined, redefined-builtin, not-callable
# pylint: disable=function-redefined, redefined-builtin
@overload
def pow(val: 'cirq.Gate', exponent: Any) -> 'cirq.Gate':
pass
Expand Down Expand Up @@ -81,7 +81,7 @@ def pow(val: Any, exponent: Any, default: Any = RaiseTypeErrorIfNotProvided) ->
TypeError: `val` doesn't have a __pow__ method (or that method returned
NotImplemented) and no `default` value was specified.
"""
raiser = getattr(val, '__pow__', None)
raiser = cast(Union[None, Callable], getattr(val, '__pow__', None))
result = NotImplemented if raiser is None else raiser(exponent)
if result is not NotImplemented:
return result
Expand All @@ -96,4 +96,4 @@ def pow(val: Any, exponent: Any, default: Any = RaiseTypeErrorIfNotProvided) ->
)


# pylint: enable=function-redefined, redefined-builtin, not-callable
# pylint: enable=function-redefined, redefined-builtin