Print help if no command is given

main.py

@@ -205,7 +205,10 @@ def main():
     else:
         loader = Loader()
 
-    args.func(args, loader)
+    if "func" in args:
+        args.func(args, loader)
+    else:
+        parser.print_help()
 
 
 if __name__ == "__main__":