astroid 2.5.7 on Python PyPI

Fix six.with_metaclass transformation so it doesn't break user defined transformations.
Fix detection of relative imports.
Closes #930
Closes PyCQA/pylint#4186
Fix inference of instance attributes defined in base classes
Closes #932
Update infer_named_tuple brain to reject namedtuple definitions
that would raise ValueError
Closes #920
Do not set instance attributes on builtin object()

Fix some spurious cycles detected in context.path leading to more cases
that can now be inferred
Closes #926
Add kind field to Const nodes, matching the structure of the built-in ast Const.
The kind field is "u" if the literal is a u-prefixed string, and None otherwise.
Closes #898
Fix property inference in class contexts for properties defined on the metaclass
Closes #940
Update enum brain to fix definition of members for subclass-defined Enums
Closes PyCQA/pylint#3535
Closes PyCQA/pylint#4358
Update random brain to fix a crash with inference of some sequence elements
Closes #922
Fix inference of attributes defined in a base class that is an inner class
Closes #904
Allow inferring a return value of None for non-abstract empty functions and
functions with no return statements (implicitly returning None)
Closes #485
scm_setuptools has been added to the packaging.
Astroid's tags are now the standard form vX.Y.Z and not astroid-X.Y.Z anymore.
Add initial support for Pattern Matching in Python 3.10