From: Éric Araujo <merwok@netwok.org>
Date: Fri, 29 Jul 2011 00:32:41 +0000 (+0200)
Subject: Make TypeError message from Command.__init__ more useful
X-Git-Tag: v3.3.0a1~1819^2~1
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7b0908a8e444d735d459bac7c32566f6f11882fe;p=python

Make TypeError message from Command.__init__ more useful
---

diff --git a/Lib/packaging/command/cmd.py b/Lib/packaging/command/cmd.py
index fa56aa63f6..1053ac390a 100644
--- a/Lib/packaging/command/cmd.py
+++ b/Lib/packaging/command/cmd.py
@@ -57,7 +57,8 @@ class Command:
         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")