fix topk type bug

app.py

@@ -35,6 +35,7 @@ def add_text(history, text):
 
 
 def bot(history, api_kind, chunk_table, embedding_model, llm_model, eross_encoder, top_k_param):
+    top_k_param = int(top_k_param)
     query = history[-1][0]
 
     if not query:

backend/semantic_search.py

@@ -15,10 +15,10 @@ retriever = SentenceTransformer(os.getenv("EMB_MODEL"))
 
 
 def retrieve(query, k, table_name, emb_name):
-    print(table_name)
-    print(emb_name)
-    #TABLE = db.open_table(table_name)
-    #retriever = SentenceTransformer(emb_name)
+    #print(table_name)
+    #print(emb_name)
+    TABLE = db.open_table(table_name)
+    retriever = SentenceTransformer(emb_name)
     query_vec = retriever.encode(query)
     try:
         documents = TABLE.search(query_vec, vector_column_name=VECTOR_COLUMN).limit(k).to_list()