PR#3663: cli: improve help for call --python option

Merges #3663
https://pagure.io/koji/pull-request/3663

cli/koji_cli/commands.py

@@ -965,7 +965,8 @@ def handle_call(goptions, session, args):
         Note, that you can use global option --noauth for anonymous calls here"""
     usage = textwrap.dedent(usage)
     parser = OptionParser(usage=get_usage_str(usage))
-    parser.add_option("--python", action="store_true", help="Use python syntax for values")
+    parser.add_option("--python", action="store_true",
+                      help="Use python syntax for RPC parameter values")
     parser.add_option("--kwargs",
                       help="Specify keyword arguments as a dictionary (implies --python)")
     parser.add_option("--json-output", action="store_true", help="Use JSON syntax for output")

tests/test_cli/test_call.py

@@ -120,7 +120,7 @@ Note, that you can use global option --noauth for anonymous calls here
 
 Options:
   -h, --help       show this help message and exit
-  --python         Use python syntax for values
+  --python         Use python syntax for RPC parameter values
   --kwargs=KWARGS  Specify keyword arguments as a dictionary (implies
                    --python)
   --json-output    Use JSON syntax for output