Mercurial > cpython-lru_cache-weakref

diff Lib/packaging/command/cmd.py @ 71573:b788eaff72bc

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Make TypeError message from Command.__init__ more useful
author Éric Araujo <merwok@netwok.org>
date Fri, 29 Jul 2011 02:32:41 +0200
parents 1a31c3be88b1
children 540e278ab646
line wrap: on
line diff
--- a/Lib/packaging/command/cmd.py	Fri Jul 29 02:31:39 2011 +0200
+++ b/Lib/packaging/command/cmd.py	Fri Jul 29 02:32:41 2011 +0200
@@ -57,7 +57,8 @@
         from packaging.dist import Distribution
 
         if not isinstance(dist, Distribution):
-            raise TypeError("dist must be a Distribution instance")
+            raise TypeError("dist must be an instance of Distribution, not %r"
+                            % type(dist))
         if self.__class__ is Command:
             raise RuntimeError("Command is an abstract class")