diff options
| -rw-r--r-- | python/servo/devenv_commands.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/python/servo/devenv_commands.py b/python/servo/devenv_commands.py index e031a957935..95b9f6eb561 100644 --- a/python/servo/devenv_commands.py +++ b/python/servo/devenv_commands.py @@ -48,6 +48,8 @@ class MachCommands(CommandBase): 'params', default=None, nargs='...', help="Command-line arguments to be passed through to rustc") def rustc(self, params): + if params is None: + params = [] return subprocess.call(["rustc"] + params, env=self.build_env()) @Command('rust-root', |