[AIRFLOW-4763] Allow list in DockerOperator.command (#5408)

(cherry picked from commit 2b94600)
apache · Aug 20, 2019 · 1731d2d · 1731d2d
1 parent e2d3af2
commit 1731d2d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/airflow/operators/docker_operator.py b/airflow/operators/docker_operator.py
@@ -252,7 +252,7 @@ def execute(self, context):
                     if self.xcom_all else str(line)
 
     def get_command(self):
-        if self.command is not None and self.command.strip().find('[') == 0:
+        if isinstance(self.command, str) and self.command.strip().find('[') == 0:
             commands = ast.literal_eval(self.command)
         else:
             commands = self.command