Added Loader object for yaml.load

Change-Id: I2523c890950071dde09005d970baa37fc5f91320
Related-Prod: #PROD-30230(PROD:30230)
diff --git a/test_set/cvp-sanity/utils/__init__.py b/test_set/cvp-sanity/utils/__init__.py
index 6d051ed..44b163f 100644
--- a/test_set/cvp-sanity/utils/__init__.py
+++ b/test_set/cvp-sanity/utils/__init__.py
@@ -193,7 +193,7 @@
     global_config_file = os.path.join(
         os.path.dirname(os.path.abspath(__file__)), "../global_config.yaml")
     with open(global_config_file, 'r') as file:
-        global_config = yaml.load(file)
+        global_config = yaml.load(file, Loader=yaml.SafeLoader)
     for param in global_config.keys():
         if param in os.environ.keys():
             if ',' in os.environ[param]: