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

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

executorlib/backend/cache_parallel.py

@@ -48,7 +48,7 @@ def main() -> None:
         backend_write_file(
             file_name=file_name,
             output=result,
-            runtime=time.time()-time_start,
+            runtime=time.time() - time_start,
         )
     MPI.COMM_WORLD.Barrier()