Missing return in _num_to_string()

FedeMiorelli · web-flow · commit 17f4b4154a8b · 2017-05-08T16:29:22.000+02:00
Added a missing return statement that caused "None" strings to be displayed with LogFormatter.
diff --git a/lib/matplotlib/ticker.py b/lib/matplotlib/ticker.py
@@ -975,7 +975,8 @@ def _num_to_string(self, x, vmin, vmax):
             s = '%1.0e' % x
         else:
             s = self.pprint_val(x, vmax - vmin)
-
+        return s
+   
     def __call__(self, x, pos=None):
         """
         Return the format for tick val `x`.
