axes_grid1.grid_finder.FormatterPrettyPrint takes useMathText parameter

svn path=/trunk/matplotlib/; revision=8853

Author: leejjoon

lib/mpl_toolkits/axisartist/grid_finder.py

@@ -298,8 +298,8 @@ def set_factor(self, f):
 # Tick Formatter
 
 class FormatterPrettyPrint(object):
-    def __init__(self):
-        self._fmt = mticker.ScalarFormatter()
+    def __init__(self, useMathText=True):
+        self._fmt = mticker.ScalarFormatter(useMathText=useMathText)
         self._fmt.create_dummy_axis()
         self._ignore_factor = True