Fix a pyparsing-related memory leak.

mdboom · mdboom · commit 57d3a12f675d · 2011-03-10T15:23:10.000-05:00
diff --git a/lib/matplotlib/fontconfig_pattern.py b/lib/matplotlib/fontconfig_pattern.py
@@ -131,6 +131,9 @@ def parse(self, pattern):
             raise ValueError("Could not parse font string: '%s'\n%s" % (pattern, e))
 
         self._properties = None
+
+        self._parser.resetCache()
+
         return props
 
     def _family(self, s, loc, tokens):
