Fix accidental except

jaitaiwan · jaitaiwan · commit b7e92804f617 · 2014-06-29T23:58:31.000+10:00
diff --git a/oauth2/__init__.py b/oauth2/__init__.py
@@ -146,7 +146,6 @@ def to_utf8_if_string(s):
             return to_utf8(s)
         else:
             return s
-    except NameError:
 
 def to_unicode_optional_iterator(x):
     """
