Update app.py

app.py

@@ -42,7 +42,7 @@ def reply(input, dataset_name="AP_Bio"):
             return "Invalid dataset selected. Please select a valid dataset."
         if not input:
             return "Please Enter a Question to get an Answer"
-        df = dataframes(dataset_name)
+        df = dataframes[dataset_name]
         input = input
         input_vector = generate_embeddings(input, model_id,hf_token)
         df["similarities"]=df["embedding"].apply(lambda x: cosine_similarity([x],[input_vector])[0][0])