fix commit hash

tests/app/test_utils.py

@@ -1,4 +1,5 @@
 import pytest
+from flask import current_app
 
 from app.utils import merge_jsonlike
 
@@ -50,6 +51,7 @@ def test_merge_jsonlike_merges_jsonlike_objects_correctly(
     merge_jsonlike(source_object, destination_object)
     assert source_object == expected_result
 
+
 def test_commit_hash():
     # Assert that we have trimmed the default (unknown) commit hash to seven characters
     # The real commit hash is supplied at deploy time.