Remove a __getitem__() removal on an exception to silence a warning triggered

under -3.


git-svn-id: http://svn.python.org/projects/python/trunk@65395 6015fed2-1504-0410-9fe1-9d1591cc4771

Author: brett.cannon

Lib/ConfigParser.py

@@ -588,7 +588,7 @@ def _interpolate(self, section, option, rawval, vars):
                     value = value % vars
                 except KeyError, e:
                     raise InterpolationMissingOptionError(
-                        option, section, rawval, e[0])
+                        option, section, rawval, e.args[0])
             else:
                 break
         if "%(" in value: