Create requirements.txt

requirements.txt

@@ -1,6 +1,3 @@
-fastapi==0.104.1
-uvicorn==0.23.2
-python-dotenv==1.0.0
-httpx==0.24.1
-gradio==4.1.2
-pandas==2.1.1
+gradio>=3.0
+openai>=0.27.0
+requests>=2.0