Fix typo (#197)

Author: piotr-ginal

webapp.py

@@ -232,12 +232,12 @@ async def startWebService():
     PORT = 80        # Port to listen on
     print(HOST,PORT)
 
-    wsgiServer = server.WSGIServer(80, application=web_app)
+    wsgiServer = server.WSGIServer(PORT, application=web_app)
 
     print(f"open this IP in your browser: http://{HOST}:{PORT}/")
 
     # Start the server
     wsgiServer.start()
     while True:
         wsgiServer.update_poll()
-        await asyncio.sleep(0)
+        await asyncio.sleep(0)