Unbreak CI.

anntzer · anntzer · commit cc0c5e1beaf8 · 2019-12-30T23:24:50.000+01:00
Crossed PRs likely caused a simple flake8 failure to sneak through.
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
@@ -13,8 +13,6 @@
 from decimal import Decimal
 import pytest
 
-import warnings
-
 import matplotlib
 import matplotlib as mpl
 from matplotlib.testing.decorators import (
