Merge pull request #5701 from jayvdb/str.formatter

tacaswell · tacaswell · commit 3a9566008ee5 · 2015-12-20T15:49:09.000-05:00
FIX: str.formatter invalid
diff --git a/lib/matplotlib/dates.py b/lib/matplotlib/dates.py
@@ -707,7 +707,7 @@ def __call__(self, x, pos=None):
         elif six.callable(fmt):
             result = fmt(x, pos)
         else:
-            raise TypeError('Unexpected type passed to {!r}.'.formatter(self))
+            raise TypeError('Unexpected type passed to {0!r}.'.format(self))
 
         return result
 
