Fix formatting faux pas

Author: zprobst

nodestream_plugin_neo4j/migrator.py

@@ -167,7 +167,7 @@ async def mark_migration_as_executed(self, migration: Migration) -> None:
         await self.database_connection.execute(query)
 
     async def get_completed_migrations(self, graph: MigrationGraph) -> List[Migration]:
-        query = Query.from_statement(LIST_MIGRATIONS_QUERY) 
+        query = Query.from_statement(LIST_MIGRATIONS_QUERY)
         return [
             graph.get_migration(record["name"])
             for record in await self.database_connection.execute(query)