Log Message:
py-pylint: updated to 2.7.3

What's New in Pylint 2.7.3?
* Introduce logic for checking deprecated attributes in DeprecationMixin.
* Reduce usage of blacklist/whitelist terminology. Notably, \ 
``extension-pkg-allow-list`` is an
  alternative to ``extension-pkg-whitelist`` and the message \ 
``blacklisted-name`` is now emitted as
  ``disallowed-name``. The previous names are accepted to maintain backward \ 
compatibility.
* Move deprecated checker to ``DeprecatedMixin``
* Bump ``astroid`` version to ``2.5.2``
* Fix false positive for ``method-hidden`` when using private attribute and method
* ``use-symbolic-message-instead`` now also works on legacy messages like \ 
``C0111`` (``missing-docstring``).
* Remove unwanted print to stdout from ``_emit_no_member``
* Introduce a command-line option to specify pyreverse output directory
* Fix issue with Enums and ``class-attribute-naming-style=snake_case``
* Add ``allowed-redefined-builtins`` option for fine tuning \ 
``redefined-builtin`` check.
* Fix issue when executing with ``python -m pylint``
* Exempt ``typing.TypedDict`` from ``too-few-public-methods`` check.
* Fix false-positive ``no-member`` for typed annotations without default value.
* Add ``--class-const-naming-style`` for Enum constants and class variables annotated
  with ``typing.ClassVar``
* Fix astroid.Inference error for undefined-variables with ``len()```
* Fix column index on FIXME warning messages
* Improve handling of assignment expressions, better edge case handling
* Improve check if class is subscriptable PEP585
* Fix documentation and filename handling of --import-graph
* Fix false-positive for ``unused-import`` on class keyword arguments
* Fix regression with plugins on PYTHONPATH if latter is cwd