Fix internal format issue

test/cpp/qps/json_run_localhost_scenario_gen.py

@@ -33,6 +33,7 @@ def generate_args():
 
     serialized_scenarios_str = str(all_scenarios).encode('ascii', 'ignore')
     with open('json_run_localhost_scenarios.bzl', 'wb') as f:
+        f.write('"""Scenarios run on localhost."""\n\n')
         f.write('JSON_RUN_LOCALHOST_SCENARIOS = ' + serialized_scenarios_str + '\n')
 
 generate_args()

test/cpp/qps/qps_benchmark_script.bzl

@@ -23,7 +23,9 @@
 # each change must be ported from one to the other.
 #
 
-load("//bazel:grpc_build_system.bzl", "grpc_cc_binary", "grpc_cc_test")
+"""Script to run qps benchmark."""
+
+load("//bazel:grpc_build_system.bzl", "grpc_cc_test")
 load("//test/cpp/qps:qps_json_driver_scenarios.bzl", "QPS_JSON_DRIVER_SCENARIOS")
 load("//test/cpp/qps:json_run_localhost_scenarios.bzl", "JSON_RUN_LOCALHOST_SCENARIOS")
 

test/cpp/qps/qps_json_driver_scenario_gen.py

@@ -33,6 +33,7 @@ def generate_args():
 
     serialized_scenarios_str = str(all_scenarios).encode('ascii', 'ignore')
     with open('qps_json_driver_scenarios.bzl', 'w') as f:
+        f.write('"""Scenarios of qps driver."""\n\n')
         f.write('QPS_JSON_DRIVER_SCENARIOS = ' + serialized_scenarios_str + '\n')
 
 generate_args()