fix: remove cli default value to make test happy.

Author: luoshasha

mcp_run_python/_cli.py

@@ -27,9 +27,7 @@ def cli_logic(args_list: Sequence[str] | None = None) -> int:
     )
     parser.add_argument('--port', type=int, help='Port to run the server on, default 3001.')
     parser.add_argument('--deps', '--dependencies', help='Comma separated list of dependencies to install')
-    parser.add_argument(
-        '--disable-networking', action='store_true', help='Disable networking during execution of python code'
-    )
+    parser.add_argument( '--disable-networking', action='store_true', help='Disable networking during execution of python code' )
     parser.add_argument('--verbose', action='store_true', help='Enable verbose logging')
     parser.add_argument('--version', action='store_true', help='Show version and exit')
     parser.add_argument(