skip if no mpl

Author: MarcoGorelli

pandas/tests/plotting/frame/test_frame_legend.py

@@ -2,9 +2,12 @@
 from matplotlib.lines import Line2D
 import pytest
 
+import pandas.util._test_decorators as td
+
 from pandas import DataFrame
 
 
+@td.skip_if_no_mpl
 @pytest.mark.xfail(
     reason=(
         "Open bug in matplotlib "