FIX: re-add AssertionError check

jklymak · jklymak · commit 98f1560d50ba · 2018-10-20T13:42:12.000-07:00
diff --git a/lib/matplotlib/axis.py b/lib/matplotlib/axis.py
@@ -1045,7 +1045,13 @@ def _update_ticks(self, renderer):
             tick.update_position(loc)
             tick.set_label1(label)
             tick.set_label2(label)
-            loct = self.get_transform().transform(loc)
+            try:
+                loct = self.get_transform().transform(loc)
+            except AssertionError:
+                # transforms.transform doesn't allow masked values but
+                # some scales might make them, so we need this try/except.
+                loct = None
+                continue
             if not mtransforms.interval_contains_close(inter, loct):
                 continue
             ticks_to_draw.append(tick)
