Update requirements.txt

requirements.txt

@@ -1,8 +1,12 @@
-langchain==0.2.11
-langchain-pinecone==0.1.2
-langchain-community==0.2.10
-langchain-huggingface==0.0.3
-pinecone-client==3.2.2 ## 4.1.2 ## 2.2.4
-python-dotenv==1.0.1
-sentence-transformers==3.0.1
+langchain==0.2.11
+langchain-pinecone==0.1.2
+langchain-chroma==0.1.2
+langchain-community==0.2.10
+langchain-huggingface==0.0.3
+pinecone-client==3.2.2 ## 4.1.2 ## 2.2.4
+chromadb==0.4.15 #0.3.9 # 0.5.3
+pydantic<2.0
+PyMuPDF==1.24.7
+python-dotenv==1.0.1
+sentence-transformers==3.0.1
 streamlit==1.36.0