Update app.py

app.py

@@ -21,13 +21,13 @@ class FileHandler(FileSystemEventHandler):
         if event.is_directory:
             return
         print(f'File {event.src_path} has been modified.')
-        self.broadcast(self.connected,f'File {event.src_path} has been modified.')
+        websockets.broadcast(self.connected,f'File {event.src_path} has been modified.')
 
     def on_created(self, event):
         if event.is_directory:
             return
         print(f'File {event.src_path} has been created.')
-        self.broadcast(self.connected,f'File {event.src_path} has been created.')
+        websockets.broadcast(self.connected,f'File {event.src_path} has been created.')
 
     def on_deleted(self, event):
         if event.is_directory: