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Avoid a DeprecationWarning on Python 3.13+ #1027

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Avoid a DeprecationWarning on Python 3.13+ #1027

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@hroncok hroncok commented Jun 10, 2024 

...
/usr/lib/python3.13/site-packages/jupyter_client/jsonutil.py:31: in <module>
    datetime.strptime("1", "%d")  # noqa
/usr/lib64/python3.13/_strptime.py:573: in _strptime_datetime
    tt, fraction, gmtoff_fraction = _strptime(data_string, format)
/usr/lib64/python3.13/_strptime.py:336: in _strptime
    format_regex = _TimeRE_cache.compile(format)
/usr/lib64/python3.13/_strptime.py:282: in compile
    return re_compile(self.pattern(format), IGNORECASE)
/usr/lib64/python3.13/_strptime.py:270: in pattern
    warnings.warn("""\
E   DeprecationWarning: Parsing dates involving a day of month without a year specified is ambiguious
E   and fails to parse leap day. The default behavior will change in Python 3.15
E   to either always raise an exception or to use a different default year (TBD).
E   To avoid trouble, add a specific year to the input & format.
E   See https://github.com/python/cpython/issues/70647.

Fixes #1020

@hroncok
Avoid a DeprecationWarning on Python 3.13+
8119bb8 
    ...
    /usr/lib/python3.13/site-packages/jupyter_client/jsonutil.py:31: in <module>
        datetime.strptime("1", "%d")  # noqa
    /usr/lib64/python3.13/_strptime.py:573: in _strptime_datetime
        tt, fraction, gmtoff_fraction = _strptime(data_string, format)
    /usr/lib64/python3.13/_strptime.py:336: in _strptime
        format_regex = _TimeRE_cache.compile(format)
    /usr/lib64/python3.13/_strptime.py:282: in compile
        return re_compile(self.pattern(format), IGNORECASE)
    /usr/lib64/python3.13/_strptime.py:270: in pattern
        warnings.warn("""\
    E   DeprecationWarning: Parsing dates involving a day of month without a year specified is ambiguious
    E   and fails to parse leap day. The default behavior will change in Python 3.15
    E   to either always raise an exception or to use a different default year (TBD).
    E   To avoid trouble, add a specific year to the input & format.
    E   See python/cpython#70647.

Fixes jupyter#1020
@minrk minrk added the bug label Jun 26, 2024
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DeprecationWarning: Parsing dates involving a day of month without a year specified is ambiguious
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