Update app.py

app.py

@@ -136,8 +136,9 @@ class Chatbot:
         question_vector = self.get_embeddings(message)
         question_vector = self.prepare_sentences_vector([question_vector])
         similar_questions, similar_contexts, distances, indices = self.faiss_search(question_vector)
-        Answer = self.model_pipeline(str(message), similar_contexts[0])
-        start_index = similar_contexts.find(Answer)
+        context = similar_contexts[0]
+        Answer = self.model_pipeline(str(message), context)
+        start_index = context.find(Answer)
         end_index = start_index + len(Answer)
         output = {
             "user_question": message,