New to async programming I was trying to get the data of song simultaneously and update the thumbnail image of that song in a pyqt5 window

The code that I wrote is :

 async def search(self,query):
            self.query=query
            try:
                await asyncio.gather(
                
                player.fetch(self.query),
                dh.get(self.query))
            except Exception as e:
                    print(e)
    def search_bar_return_pressed(self):
            search_text = self.search_bar.text()
            loop = asyncio.get_event_loop()
            result = loop.run_until_complete(self.search(search_text))
            image_data=io.BytesIO(result[0])
            image = QImage()
            image.loadFromData(image_data)

            pixmap = QPixmap.fromImage(image)

            self.thumbnail_search.setScene(QtGui.QGraphicsScene())
            self.thumbnail_search.scene().addPixmap(pixmap)

The output I got :

DeprecationWarning: There is no current event loop
  loop = asyncio.get_event_loop()
unable to open database file
Traceback (most recent call last):
  File "d:python bakchodisoundifymain.py", line 217, in search_bar_return_pressed
    image_data=io.BytesIO(result[0])
                          ~~~~~~^^^
TypeError: 'NoneType' object is not subscriptable

What thing wrong have I done