fix/modify get cred function to meet the value type

utils/chatbot.py

@@ -80,10 +80,11 @@ class Chatbot:
 
     def __init_drive_service(self):
         SCOPES = ["https://www.googleapis.com/auth/drive"]
-        SERVICE_ACCOUNT_FILE = os.getenv("CREDENTIALS")
+        SERVICE_ACCOUNT_INFO = os.getenv("CREDENTIALS")
+        service_account_info_dict = json.loads(SERVICE_ACCOUNT_INFO)
 
-        creds = Credentials.from_service_account_file(
-            SERVICE_ACCOUNT_FILE, scopes=SCOPES
+        creds = Credentials.from_service_account_info(
+            service_account_info_dict, scopes=SCOPES
         )
 
         return build("drive", "v3", credentials=creds)

utils/gpt_processor.py

@@ -10,7 +10,6 @@ import tiktoken
 
 OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")
 
-
 class GPTAgent:
     def __init__(self, model):
         openai.api_key = OPENAI_API_KEY