Update requirements.txt

requirements.txt

@@ -1,8 +1,8 @@
-fastapi
-uvicorn
-pydantic
-llama-cpp-python
-requests
-python-multipart
-httpx>=0.20.0
-spaces
+fastapi==0.95.0
+uvicorn==0.22.0
+pydantic==1.10.7
+llama-cpp-python==0.1.77
+requests==2.31.0
+python-multipart==0.0.6
+httpx==0.24.1 
+spaces==0.10.0