FIX: re-add AssertionError check

jklymak · jklymak · commit 2ee3e6d5f885 · 2018-10-20T14:29:14.000-07:00
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)
diff --git a/lib/matplotlib/transforms.py b/lib/matplotlib/transforms.py
@@ -2917,7 +2917,7 @@ def interval_contains(interval, val):
 def interval_contains_close(interval, val, rtol=1e-10):
     """
     Check, inclusively, whether an interval includes a given value, with the
-    interval expanded by a small tolerance to admit floating point errors.  
+    interval expanded by a small tolerance to admit floating point errors.
 
     Parameters
     ----------
