Update app.py

app.py

@@ -51,14 +51,10 @@ class ChatHistory:
 # Load environment variables and setup
 load_dotenv()
 
-HF_TOKEN = os.getenv("HF_TOKEN")
-C_apikey = os.getenv("C_apikey")
+
 OPENAPI_KEY = os.getenv("OPENAPI_KEY")
-GEMINI = os.getenv("GEMINI")
-CHUTES_KEY=os.getenv("CHUTES_KEY")
-if not HF_TOKEN:
-    logger.error("HF_TOKEN is not set in the environment variables.")
-    exit(1)
+
+
 
 embeddings = HuggingFaceEmbeddings(model_name="sentence-transformers/all-MiniLM-L6-v2")