Fixed issue with request_wrapper() when used as a decorator

spotify/components/base.py

@@ -38,13 +38,20 @@ def send_message(self, message):
 
  @staticmethod
  def request_wrapper(request, callback=None):
- def on_error(*args):
+ def on_error(func, *args):
  log.debug('Error %s returned for request: %s', repr(args), request)
 
- if callback:
- callback(None)
+ if func:
+ func(None)
 
- return request.on('success', callback).on(
- 'error', on_error,
- on_bound=lambda: request.send()
+ def on_bound(func):
+ # Bind to 'error' (so we know the real callback 'func')
+ request.on('error', lambda *args: on_error(func, *args))
+
+ # Send request
+ request.send()
+
+ return request.on(
+ 'success', callback,
+ on_bound=on_bound
  )