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homeassistant/components/recorder/util.py

@@ -18,7 +18,7 @@ def session_scope(*, hass=None, session=None):
         session = hass.data[DATA_INSTANCE].get_session()
 
     if session is None:
-        raise RuntimeError('Session required')
+        raise RuntimeError("Session required")
 
     need_rollback = False
     try:
@@ -38,6 +38,7 @@ def session_scope(*, hass=None, session=None):
 def commit(session, work):
     """Commit & retry work: Either a model or in a function."""
     import sqlalchemy.exc
+
     for _ in range(0, RETRIES):
         try:
             if callable(work):
@@ -64,15 +65,16 @@ def execute(qry):
         try:
             timer_start = time.perf_counter()
             result = [
-                row for row in
-                (row.to_native() for row in qry)
-                if row is not None]
+                row for row in (row.to_native() for row in qry) if row is not None
+            ]
 
             if _LOGGER.isEnabledFor(logging.DEBUG):
                 elapsed = time.perf_counter() - timer_start
-                _LOGGER.debug('converting %d rows to native objects took %fs',
-                              len(result),
-                              elapsed)
+                _LOGGER.debug(
+                    "converting %d rows to native objects took %fs",
+                    len(result),
+                    elapsed,
+                )
 
             return result
         except SQLAlchemyError as err: