Update env_init.py

tests/perftest-scripts/taosadapter_perftest/config/env_init.py

@@ -7,7 +7,7 @@ current_time = time.strftime("%Y-%m-%d-%H:%M:%S", time.localtime(time.time()))
 current_dir = os.path.dirname(os.path.realpath(__file__))
 config_file = os.path.join(current_dir, '../config/perf_test.yaml')
 f = open(config_file)
-config = yaml.load(f)
+config = yaml.load(f, Loader=yaml.FullLoader)
 log_file = os.path.join(current_dir, f'../log/performance_{current_time}.log')
 logger.add(log_file)
 logger.info(f'init env success, log will be export to {log_file}')