Added check to __eq__ to short-circuit out if the other object

tacaswell · tacaswell · commit b1f2d6a052f5 · 2013-11-19T13:20:40.000-06:00
does not have the necessary attributes.
diff --git a/lib/matplotlib/gridspec.py b/lib/matplotlib/gridspec.py
@@ -459,6 +459,12 @@ def get_topmost_subplotspec(self):
             return self
 
     def __eq__(self, other):
+        # check to make sure other has the attributes
+        # we need to do the comparison
+        if not (hasattr(other, '_gridspec') and
+                hasattr(other, 'num1') and
+                hasattr(other, 'num2')):
+            return False
         return all((self._gridspec == other._gridspec,
                     self.num1 == other.num1,
                     self.num2 == other.num2))
