samba-tool: let self.usage() find argv[0] by itself

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Noel Power <noel.power@suse.com>

diff --git a/python/samba/netcmd/__init__.py b/python/samba/netcmd/__init__.py
index d73ffe9c745d7e479a9614747d81fa400b59298d..cb22b5dc1b0b2420a5a872113e7ac2857c0614d1 100644 (file)
--- a/python/samba/netcmd/__init__.py
+++ b/python/samba/netcmd/__init__.py
@@ -92,7 +92,7 @@ class Command(object):
         self.outf = outf
         self.errf = errf
 
-    def usage(self, prog, *args):
+    def usage(self, prog=None):
         parser, _ = self._create_parser(prog)
         parser.print_usage()
 
@@ -129,7 +129,7 @@ class Command(object):
         if force_traceback or samba.get_debug_level() >= 3:
             traceback.print_tb(etraceback, file=self.errf)
 
-    def _create_parser(self, prog, epilog=None):
+    def _create_parser(self, prog=None, epilog=None):
         parser = optparse.OptionParser(
             usage=self.synopsis,
             description=self.full_description,