trying "run" instead of "get_relevant_documents"

app.py

@@ -76,7 +76,7 @@ def get_text():
 user_input = get_text()
 
 if user_input:
-    docs = chain.get_relevant_documents(user_input)
+    docs = chain.run(user_input)
     print('docs')
     print(docs)
     print('docs[0]')