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

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

tests/cores/mega/test_microservice.py

@@ -7,7 +7,7 @@
 
 from fastapi.testclient import TestClient
 
-from comps import TextDoc, opea_microservices, register_microservice, MicroService
+from comps import MicroService, TextDoc, opea_microservices, register_microservice
 
 
 @register_microservice(name="s1", host="0.0.0.0", port=8080, endpoint="/v1/add")
@@ -18,9 +18,11 @@ async def add(request: TextDoc) -> TextDoc:
     text += "OPEA Project!"
     return {"text": text}
 
+
 def sum_test():
     return 1 + 1
 
+
 class TestMicroService(unittest.TestCase):
     def setUp(self):
         self.client = TestClient(opea_microservices["s1"].app)