Update app.py

app.py

@@ -11,6 +11,7 @@ import time
 import webbrowser
 # Have I mentioned my opinions on gradio today?
 #
+os.environ['PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION'] = 'python'
 # Local Library Imports
 sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), 'App_Function_Libraries')))
 from App_Function_Libraries.Book_Ingestion_Lib import ingest_folder, ingest_text_file