Update requirements.txt

requirements.txt

@@ -1,12 +1,12 @@
 gradio==4.16.0
 langchain==0.1.4
-transformers==4.30.1 
+transformers==4.30.1
 constants==0.6.0
 sentence-transformers==2.2.2
 pdfplumber==0.9.0
 accelerate==0.27.2
 tiktoken==0.4.0
-chromadb==0.3.25
+chromadb==0.4.22
 torch==2.0.1
 einops==0.6.1
 xformers==0.0.20