Cancelling event registrations is broken
One-sentence description
Cancelling is broken
Current behaviour
Crash
Traceback:
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py" in inner
41. response = get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/base.py" in _get_response
187. response = self.process_exception_by_middleware(e, request)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/base.py" in _get_response
185. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/usr/local/lib/python3.5/site-packages/django/views/generic/base.py" in view
68. return self.dispatch(request, *args, **kwargs)
File "/usr/local/lib/python3.5/site-packages/django/utils/decorators.py" in _wrapper
67. return bound_func(*args, **kwargs)
File "/usr/local/lib/python3.5/site-packages/django/contrib/auth/decorators.py" in _wrapped_view
23. return view_func(request, *args, **kwargs)
File "/usr/local/lib/python3.5/site-packages/django/utils/decorators.py" in bound_func
63. return func.__get__(self, type(self))(*args2, **kwargs2)
File "/usr/local/lib/python3.5/site-packages/django/views/generic/base.py" in dispatch
88. return handler(request, *args, **kwargs)
File "./events/views.py" in post
88. services.cancel_registration(request, request.member, event)
File "./events/services.py" in cancel_registration
110. emails.notify_first_waiting(request, event)
File "./events/emails.py" in notify_first_waiting
25. language = first_waiting_member.member.language
Exception Type: AttributeError at /events/246/registration/cancel/
Exception Value: 'Member' object has no attribute 'member'
Request information:Expected behaviour
no crash.