Update app.py

app.py

@@ -31,8 +31,7 @@ logging.basicConfig(stream=sys.stdout, level=logging.INFO)
 logging.getLogger().addHandler(logging.StreamHandler(stream=sys.stdout))
 reader= SimpleDirectoryReader(
     input_files=["[The Oxford Series in Electrical and Computer Engineering] Ding, Zhi; Lathi, Bhagwandas Pannalal - Modern digital and analog communication systems (2018;2019, Oxford University Press, USA)(Z-Lib.io).pdf",
-                 "Lin_K_IT data.pdf","DR.Hadeer Info.pdf
-"])
+                 "Lin_K_IT data.pdf","DR.Hadeer Info.pdf"])
 docs = reader.load_data()
 os.environ["OPENAI_API_KEY"]='sk-proj-FIDzQfmAoZxcQhGVDCYyT3BlbkFJGEmkijeCLp9x9Fn3kqwv'
 openai.api_key  = os.environ["OPENAI_API_KEY"]