Update app.py

app.py

@@ -30,7 +30,12 @@ def load_vectorstore(model):
                                                embed_instruction='Represent the Financial paragraph for retrieval: ')
         return FAISS.load_local('vanguard-embeddings-inst', emb)
 
+vectorstore = load_vectorstore(model_options['all-mpnet-base-v2'])
 
+def on_value_change(change):
+    global vectorstore
+    vectorstore = load_vectostore(model_options[change])
+    
 # vectorstore = load_vectorstore('vanguard-embeddings',sbert_emb)
     
 _template = """Given the following conversation and a follow up question, rephrase the follow up question to be a standalone question.
@@ -122,7 +127,8 @@ with block:
     with gr.Row():
         embeddings = gr.Radio(choices=model_options_list,value=model_options_list[0], label='Choose your Embedding Model',
                              interactive=True)
-
+        embeddings.observe(on_value_change, names=model_options_list[0])
+        
     print(embeddings.value)
     
     vectorstore = load_vectorstore(embeddings.value)