PyCharm raises false alarm on datetime module

创建于 2019年12月04日 09:57

Here's a sample code that I'm having a problem with.

The code just above function and in the function is the same except for variable names.

I'm not sure why PyCharm is giving a warning for the same lines of code within the function but when not in function.

Here's the code in text format for the reference.

datetime1 = datetime.datetime.now()

datetime_after_20_days1 = datetime1 + timedelta(days=20)

d1 = datetime_after_20_days1 - datetime.datetime.now()


def func(datetime2: datetime):
    datetime_after_20_days2 = datetime2 + timedelta(days=20)

    d2 = datetime_after_20_days2 - datetime.datetime.now()

    return d2

1 条评论

Andrey Resler

创建于 2019年12月05日 12:27

Hi,

Yes, the issue seems to exist and I've reported it to our tracker just in case: https://youtrack.jetbrains.com/issue/PY-39495

Meanwhile, you can resolve the issue by refactoring the code, see the example below:

from datetime import datetime, timedelta

now = datetime.now()
now_plus_20 = now + timedelta(days=20)
d1 = now_plus_20 - datetime.now()

def func(_now: datetime):
    _now_plus_20 = _now + timedelta(days=20)
    d2 = _now_plus_20 - datetime.now()
    return d2

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