use logging

andrzejnovak · andrzejnovak · commit 9bb351fe21b7 · 2020-02-21T12:39:03.000+01:00
diff --git a/lib/matplotlib/mathtext.py b/lib/matplotlib/mathtext.py
@@ -22,7 +22,6 @@
 import os
 import types
 import unicodedata
-import pytest
 
 import numpy as np
 from PIL import Image
@@ -866,9 +865,8 @@ def _get_glyph(self, fontname, font_class, sym, fontsize, math=True):
                 fname = g[0].family_name
                 if fname in list(BakomaFonts._fontmap.values()):
                     fname = "Computer Modern"
-                with pytest.warns(UserWarning) as record:
-                    warnings.warn("Substituting symbol {} "
-                                  "from {}".format(sym, fname), UserWarning)
+                _log.warning("Substituting symbol {} "
+                             "from {}".format(sym, fname))
                 return g
 
             else:
