surahman commented on a change in pull request #3786:
URL: https://github.com/apache/incubator-heron/pull/3786#discussion_r836593031
##########
File path: heron/tools/tracker/src/python/query_operators.py
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@@ -150,11 +150,11 @@ async def execute(
raise Exception(metrics["message"])
# Put a blank timeline.
- if not metrics.get("timeline"):
- metrics["timeline"] = {
+ if not metrics.timeline:
+ metrics.timeline = {
Review comment:
`metrics` is a `dict`, test suite caught this error. Reverting.
```bash
# Put a blank timeline.
> if not metrics.timeline:
E AttributeError: 'dict' object has no attribute 'timeline'
```
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