Update app.py

app.py

@@ -14,8 +14,6 @@ from langchain.llms import HuggingFaceHub, LlamaCpp
 from huggingface_hub import snapshot_download, hf_hub_download
 
 
-credentials = os.getenv("GIGACHAT_CREDENTIALS")
-
 # from prompts import CONDENSE_QUESTION_PROMPT
 
 repo_name = "IlyaGusev/saiga_mistral_7b_gguf"
@@ -70,7 +68,7 @@ def get_conversation_chain(vectorstore, model_name):
     # llm = ChatOpenAI()
 
     llm = GigaChat(credentials=os.getenv("GIGACHAT_CREDENTIALS"),
-               verify_ssl_certs=False)
+                   verify_ssl_certs=False)
     
     memory = ConversationBufferMemory(memory_key='chat_history',
                                       input_key='question',