Fixed string concatenation.

Phil Elson · Phil Elson · commit 5d881a2d42ab · 2012-05-31T11:00:16.000+01:00
diff --git a/lib/matplotlib/ticker.py b/lib/matplotlib/ticker.py
@@ -809,10 +809,10 @@ def __call__(self):
     def raise_if_exceeds(self, locs):
         'raise a RuntimeError if Locator attempts to create more than MAXTICKS locs'
         if len(locs)>=self.MAXTICKS:
-            raise RuntimeError(('Locator attempting to generate %d ticks from '
-                                '%s to %s: exceeds Locator.MAXTICKS') % 
-                                (len(locs), locs[0], locs[-1]))
-
+            msg = ('Locator attempting to generate %d ticks from %s to %s: ' +
+                   'exceeds Locator.MAXTICKS') % (len(locs), locs[0], locs[-1]) 
+            raise RuntimeError(msg) 
+                                
         return locs
 
     def view_limits(self, vmin, vmax):
