Bug#1000254: wajig: 'wajig purgeremoved' throws python error

[Holger Huf]

I finally had some time to look at this myself; the following patch
fixes the problem on my system (Debian unstable; wajig 4.0.3)


$ diff -uw /tmp/__init__.py /usr/lib/python3/dist-packages/wajig/__init__.py
--- /tmp/__init__.py    2022-07-17 17:06:15.292801740 +0200
+++ /usr/lib/python3/dist-packages/wajig/__init__.py    2022-07-17 
17:06:35.828934854 +0200
@@ -712,6 +712,7 @@
     function = commands.purgeremoved
     parser_purgeremoved = subparsers.add_parser(
         "purgeremoved",
+        parents=[parser_teach],
         aliases=["purge-removed"],
         description=function.__doc__,
     )


Cheers,
  Holger