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docs: remove line about Python 2.7 being unsupported #808

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Nov 2, 2022
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docs: remove line about Python 2.7 being unsupported #808

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docs: remove line about Python 2.7 being unsupported
rwhogg Oct 6, 2022
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Update migrating.rst
rwhogg Oct 20, 2022
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11 changes: 5 additions & 6 deletions docs/migrating.rst
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Expand Up @@ -174,22 +174,21 @@ a number of methods that were mostly used internally. Some of those have been
made obsolete by new Python 3 features, while others have been discarded due
to implementation differences in the new `ndb`.

Possibly the most used utility from this module outside of `ndb` code, is the
Possibly the most used utility from this module outside of `ndb` code is the
``positional`` decorator, which declares that only the first `n` arguments of
a function or method may be positional. Python 3 can do this using keyword-only
arguments. What used to be written as::

@utils.positional(2)
def function1(arg1, arg2, arg3=None, arg4=None)
def function1(arg1, arg2, arg3=None, arg4=None):
pass

Will be written like this in the new version::
Should be written like this in Python 3::

def function1(arg1, arg2, *, arg3=None, arg4=None)
def function1(arg1, arg2, *, arg3=None, arg4=None):
pass

Note that this could change if Python 2.7 support is added at some point, which
is still a possibility.
However, ``positional`` remains available and works in both Python 2 and 3.

Exceptions
==========
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