task: fix formatting

Author: aabadie

murdock/task.py

@@ -45,8 +45,12 @@ def __repr__(self):
     def _docker_cmd_args(self):
         def _escape_env_value(value):
             return value.replace("'", "\\'").replace('"', '\\"')
+
         env_to_docker = " ".join(
-            [f"--env {key}='{_escape_env_value(value)}'" for key, value in self.env.items()]
+            [
+                f"--env {key}='{_escape_env_value(value)}'"
+                for key, value in self.env.items()
+            ]
         )
         volumes = GLOBAL_CONFIG.docker_volumes.copy()
         host_job_work_dir = os.path.join(GLOBAL_CONFIG.host_work_dir, self.job_uid)