Update app.py

app.py

@@ -74,7 +74,7 @@ callback_manager = CallbackManager([StreamingStdOutCallbackHandler()])
 
 # Function to create a conversational chain
 def create_conversational_chain(database):
-    model_name = “llama-7b-hf”
+    model_name = “TheBloke/Llama-2-7B-Chat-GGUF”
     model_directory = “models”
     #Check if the model file exists in the specified directory
     model_file = os.path.join(model_directory, model_name)