Update app.py

app.py

@@ -239,11 +239,13 @@ data.extend(context_data)
 
 
 
-from langchain_community.vectorstores import Chroma
+#from langchain_community.vectorstores import Chroma
+from langchain_chroma import Chroma
+
 
 
 vectorstore = Chroma(
-    collection_name="GBV_dataset", 
+    collection_name="GBV_set", 
     embedding_function=embed_model,
 )