MAINT: Handle removal of Axes._hold in Matplotlib.

Fixes SciTools#1120.
QuLogic · Sep 25, 2018 · 5bc8d7f · 5bc8d7f
1 parent 994c2af
commit 5bc8d7f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/cartopy/mpl/geoaxes.py b/lib/cartopy/mpl/geoaxes.py
@@ -1461,7 +1461,8 @@ def _pcolormesh_patched(self, *args, **kwargs):
         import matplotlib.colors as mcolors
         import matplotlib.collections as mcoll
 
-        if not self._hold:
+        # Remove this check when only MPL >= 3.0 is supported.
+        if not getattr(self, '_hold', True):
             self.cla()
 
         alpha = kwargs.pop('alpha', None)