1 files changed, 1 insertions, 1 deletions
diff --git a/urwid/font.py b/urwid/font.py
index 0a3261b..bf0c2b1 100755
--- a/urwid/font.py
+++ b/urwid/font.py
@@ -111,7 +111,7 @@ class Font(object):
         return "".join(l)
 
     def char_width(self, c):
-        if self.char.has_key(c):
+        if c in self.char:
             return self.char[c][0]
         return 0