Update app.py

app.py

@@ -88,7 +88,7 @@ def final_qa_pipeline(file, query, model_nm):
 
     qa_model = pipeline("question-answering", 
                     #model = "deepset/minilm-uncased-squad2")
-                    model = "deepset/"+model_nm)
+                    model = "deepset/"+ str(model_nm.value))
 
     if len(lvl1) > 0:
         fnl_rank = qa_ranker(query, [l["docs"] for l in lvl1], top_k_ranker)