Update requirements.txt

requirements.txt

@@ -1,13 +1,12 @@
-fastapi==0.104.1
-uvicorn[standard]==0.24.0
-python-multipart==0.0.6
-aiofiles==23.2.1
-gradio
-langchain==0.1.0
+fastapi
+uvicorn[standard]
+python-multipart
+aiofiles
 langchain-community
-langchain-google-genai==0.0.6
-google-generativeai==0.3.2
-faiss-cpu==1.7.4
-tiktoken==0.5.2
-pydantic==2.5.0
-python-dotenv==1.0.0
+langchain
+langchain-google-genai
+google-generativeai
+faiss-cpu
+tiktoken
+pydantic
+python-dotenv