Update requirements.txt

requirements.txt

@@ -1,5 +1,4 @@
-gradio
-# Required for GGUF inference
-llama-cpp-python
-# Required for downloading the model from the Hub
-huggingface_hub
+--extra-index-url https://www.google.com/search?q=https://abetlen.github.io/llama-cpp-python/whl/cpu
+gradio>=4.0.0
+huggingface-hub
+llama-cpp-python==0.2.90