Update requirements.txt

requirements.txt

@@ -1,22 +1,20 @@
-# ---------- Core ----------
-streamlit==1.28.0
-requests==2.31.0
-python-dotenv==1.0.0
+# Core - keep Streamlit flexible
+streamlit>=1.28
+requests
 
-# ---------- Groq ----------
-groq==0.9.0
+# Groq
+groq>=0.9.0
 
-# ---------- LangChain ----------
-langchain==0.0.350
-langchain-community==0.0.19
-langchain-text-splitters==0.0.1
+# LangChain - use newer versions
+langchain>=0.1
+langchain-community>=0.0.10
+langchain-text-splitters>=0.0.1
 
-# ---------- RAG ----------
-chromadb==0.4.22
-sentence-transformers==2.2.2
-transformers==4.36.0
-pypdf==3.17.0
+# RAG Components
+chromadb>=0.4
+sentence-transformers
+transformers
+pypdf
 
-# ---------- Torch (CPU) ----------
-torch==2.1.0
---extra-index-url https://download.pytorch.org/whl/cpu
+# Torch CPU - specify the CPU version correctly
+torch --index-url https://download.pytorch.org/whl/cpu