fix None condition

UM-ARM-Lab · May 11, 2022 · c2d9e64 · c2d9e64
1 parent c0171e9
commit c2d9e64
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/arm_robots/src/arm_robots/robot.py b/arm_robots/src/arm_robots/robot.py
@@ -290,7 +290,9 @@ def _feedback_cb(feedback: FollowJointTrajectoryFeedback):
                 result = client.get_result()
             failure = (result is None or result.error_code != FollowJointTrajectoryResult.SUCCESSFUL)
             if self.raise_on_failure and failure:
-                raise RuntimeError(f"Follow Joint Trajectory Failed: ({result.error_code}) {result.error_string}")
+                if result is not None:
+                    raise RuntimeError(f"Follow Joint Trajectory Failed: ({result.error_code}) {result.error_string}")
+                raise RuntimeError(f"Follow Joint Trajectory Failed: (???)")
 
         success = result is not None and result.error_code == FollowJointTrajectoryResult.SUCCESSFUL
         return ExecutionResult(trajectory=trajectory,