From 898f099dc61c3efbaa28cc727f5dbfd773d38444 Mon Sep 17 00:00:00 2001
From: "Andrew M. Kuchling" <amk@amk.ca>
Date: Sat, 17 Mar 2001 19:59:26 +0000
Subject: [PATCH] Bug #409403: Signal an error if the distribution's metadata
 has no version

---
 Lib/distutils/dist.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Lib/distutils/dist.py b/Lib/distutils/dist.py
index 41d5dbbc0b3..6bda869e2e8 100644
--- a/Lib/distutils/dist.py
+++ b/Lib/distutils/dist.py
@@ -206,6 +206,10 @@ class Distribution:
                     raise DistutilsSetupError, \
                           "invalid distribution option '%s'" % key
 
+        if self.metadata.version is None:
+            raise DistutilsSetupError, \
+                  "No version number specified for distribution"
+        
     # __init__ ()