Distutils in python do not understand that a extra rpm debuginfo package is
generated when doing:
$ python setup.py bdist_rpm
This quick (maybe too quick) hack fix it:

distutils/command/bdist_rpm.py      
--- distutils/command/bdist_rpm.py.orig 2003-04-11 15:20:19.000000000 +0200
+++ distutils/command/bdist_rpm.py      2003-04-11 15:31:59.000000000 +0200
@@ -311,10 +311,15 @@
 
             if not self.source_only:
                 rpms = glob.glob(os.path.join(rpm_dir['RPMS'], "*/*.rpm"))
+                debuginfo = glob.glob(os.path.join(rpm_dir['RPMS'], \
+                                                   "*/*debuginfo*.rpm"))
+                if debuginfo:
+                    rpms.remove(debuginfo[0])
                 assert len(rpms) == 1, \
                        "unexpected number of RPM files found: %s" % rpms
                 self.move_file(rpms[0], self.dist_dir)
-
+                if debuginfo:
+                    self.move_file(debuginfo[0], self.dist_dir)
     # run()