[pre-commit.ci] auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

bandit/formatters/json.py

@@ -73,6 +73,7 @@
     New field `CWE` added to output
 
 """
+
 # Necessary so we can import the standard library json module while continuing
 # to name this file json.py. (Python 2 only)
 import datetime