revert + exclude from linting

Author: stellalin7

pandas/io/formats/style.py

@@ -4216,7 +4216,7 @@ def css_calc(x, left: float, right: float, align: str, color: str | list | tuple
     rgbas = None
     if cmap is not None:
         # use the matplotlib colormap input
-        with _mpl(Styler.barchart) as (plt, mpl):
+        with _mpl(Styler.bar) as (plt, mpl):
             from pandas.plotting._matplotlib.compat import mpl_ge_3_6_0
 
             cmap = (