update

utils.py

@@ -13,10 +13,9 @@ import json
 def getcredentials():
     secret_key_credential = os.getenv("cloud_vision")
 
-    with tempfile.NamedTemporaryFile(mode='w+', delete= True, suffix=".json") as temp_file:
-        temp_file.write(json.dumps(secret_key_credential))
-        
-    tempfile_name = temp_file.name
+    with tempfile.NamedTemporaryFile(mode='w+', delete= False, suffix=".json") as temp_file:
+        temp_file.write(secret_key_credential)
+        tempfile_name = temp_file.name
 
     return tempfile_name