cmdutils: Default to nargs='+' for *args.

qutebrowser/browser/commands.py

@@ -603,7 +603,7 @@ class CommandDispatcher:
         self.openurl(config.get('general', 'startpage')[0])
 
     @cmdutils.register(instance='mainwindow.tabs.cmd')
-    def run_userscript(self, cmd, *args):
+    def run_userscript(self, cmd, *args : {'nargs': '*'}):
         """Run an userscript given as argument.
 
         Args:

qutebrowser/commands/cmdutils.py

@@ -308,7 +308,7 @@ class register:  # pylint: disable=invalid-name
             kwargs['type'] = typ
 
         if param.kind == inspect.Parameter.VAR_POSITIONAL:
-            kwargs['nargs'] = '*'
+            kwargs['nargs'] = '+'
         elif typ is not bool and param.default is not inspect.Parameter.empty:
             kwargs['default'] = param.default
             kwargs['nargs'] = '?'