Fixes a bug in font family lookup. Any font in the font alias

mdboom · mdboom · commit 314a0cfdf2eb · 2014-02-24T11:28:59.000-05:00
list (e.g. font.sans-serif) would be considered a perfect match whenever
the selected font alias is the first in the font.family list.  This
broke the priority ordering of font names.
diff --git a/lib/matplotlib/font_manager.py b/lib/matplotlib/font_manager.py
@@ -1071,7 +1071,7 @@ def score_family(self, families, family2):
                 if family2 in options:
                     idx = options.index(family2)
                     return ((0.1 * (float(idx) / len(options))) *
-                            (float(i) / float(len(families))))
+                            (float(i + 1) / float(len(families))))
             elif family1 == family2:
                 # The score should be weighted by where in the
                 # list the font was found.
