Update chain.py

chain.py

@@ -11,8 +11,9 @@ from langchain import PromptTemplate
 
 
 with open("credentials.json", "r") as file:
-    access_token_read = json.load(file)["access_token_read"]
-    openai.api_key = json.load(file)["openai_api_key"]
+    credentials = json.load(file)
+    access_token_read = credentials["access_token_read"]
+    openai.api_key = credentials["openai_api_key"]
 
 login(token = access_token_read)