diff options
Diffstat (limited to 'python/servo/testing_commands.py')
| -rw-r--r-- | python/servo/testing_commands.py | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/python/servo/testing_commands.py b/python/servo/testing_commands.py index 0e0c23baefc..771d1746351 100644 --- a/python/servo/testing_commands.py +++ b/python/servo/testing_commands.py @@ -305,10 +305,11 @@ class MachCommands(CommandBase): return 0 def install_rustfmt(self): - if self.call_rustup_run(["cargo", "fmt", "--version", "-q"], - stderr=open(os.devnull, "w")) != 0: - # Rustfmt is not installed. Install: - self.call_rustup_run(["rustup", "component", "add", "rustfmt-preview"]) + with open(os.devnull, "w") as devnull: + if self.call_rustup_run(["cargo", "fmt", "--version", "-q"], + stderr=devnull) != 0: + # Rustfmt is not installed. Install: + self.call_rustup_run(["rustup", "component", "add", "rustfmt-preview"]) @Command('test-tidy', description='Run the source code tidiness check', |