DEPR: Removed styler shim (#22691)

* DEPR: Removed styler shim

* sphinx

Author: TomAugspurger

doc/source/whatsnew/v0.24.0.txt

@@ -571,6 +571,7 @@ Removal of prior version deprecations/changes
 - Strings passed into :meth:`DataFrame.groupby` that refer to both column and index levels will raise a ``ValueError`` (:issue:`14432`)
 - :meth:`Index.repeat` and :meth:`MultiIndex.repeat` have renamed the ``n`` argument to ``repeats`` (:issue:`14645`)
 - Removal of the previously deprecated ``as_indexer`` keyword completely from ``str.match()`` (:issue:`22356`, :issue:`6581`)
+- Removed the ``pandas.formats.style`` shim for :class:`pandas.io.formats.style.Styler` (:issue:`16059`)
 - :meth:`Categorical.searchsorted` and :meth:`Series.searchsorted` have renamed the ``v`` argument to ``value`` (:issue:`14645`)
 - :meth:`TimedeltaIndex.searchsorted`, :meth:`DatetimeIndex.searchsorted`, and :meth:`PeriodIndex.searchsorted` have renamed the ``key`` argument to ``value`` (:issue:`14645`)
 

pandas/formats/__init__.py

@@ -1269,11 +1269,3 @@ def test_from_custom_template(tmpdir):
     assert result.template is not Styler.template
     styler = result(pd.DataFrame({"A": [1, 2]}))
     assert styler.render()
-
-
-def test_shim():
-    # https://github.com/pandas-dev/pandas/pull/16059
-    # Remove in 0.21
-    with tm.assert_produces_warning(FutureWarning,
-                                    check_stacklevel=False):
-        from pandas.formats.style import Styler as _styler  # noqa