STY: Fixes flake8
@@ -215,7 +215,7 @@ class FileStorageObserver(RunObserver):
try:
metrics_path = os.path.join(self.dir, "metrics.json")
saved_metrics = json.load(open(metrics_path, 'r'))
- except IOError as e:
+ except IOError:
# We haven't recorded anything yet. Start Collecting.
saved_metrics = {}
