Fix dependency conflicts for HF Space

requirements.txt

@@ -4,11 +4,14 @@ langchain-community==0.0.10
 langchain-google-genai==0.0.6
 chromadb==0.4.18
 datasets==2.14.6
-transformers==4.35.2
+transformers==4.34.0
 sentence-transformers==2.2.2
 google-generativeai==0.3.2
 tiktoken==0.5.1
 numpy==1.24.3
 pandas==2.0.3
 tqdm==4.66.1
-huggingface-hub==0.15.1
+huggingface-hub==0.16.5
+gradio>=3.35.0
+fastapi<0.113.0
+gradio_client==0.2.7