Fix option bug with click 6.0.

jmchilton · jmchilton · commit 2a7c79240665 · 2015-11-28T20:17:28.000Z
Thanks for @bgruening for hunting this down. Fixes #385.
diff --git a/planemo/options.py b/planemo/options.py
@@ -269,7 +269,6 @@ def shed_project_arg(multiple=True):
     return click.argument(
         name,
         metavar="PROJECT",
-        default=".",
         type=arg_type,
         nargs=nargs,
         callback=_optional_tools_default,
