Traceback (most recent call last):


 "/home/taiga/.virtualenvs/taiga/lib/python3.4/site-packages/django/core/handlers/exception.py", line 42, in inner

response = get_response(request)


 "/home/taiga/.virtualenvs/taiga/lib/python3.4/site-packages/django/core/handlers/base.py", line 249, in _legacy_get_response

response = self._get_response(request)


 "/home/taiga/.virtualenvs/taiga/lib/python3.4/site-packages/django/core/handlers/base.py", line 187, in _get_response

response = self.process_exception_by_middleware(e, request)


 "/home/taiga/.virtualenvs/taiga/lib/python3.4/site-packages/django/core/handlers/base.py", line 185, in _get_response

response = wrapped_callback(request, *callback_args, **callback_kwargs)


 "/home/taiga/taiga-back/taiga/base/api/viewsets.py", line 106, in view

return self.dispatch(request, *args, **kwargs)


 "/home/taiga/.virtualenvs/taiga/lib/python3.4/site-packages/django/views/decorators/csrf.py", line 58, in wrapped_view

return view_func(*args, **kwargs)


 "/home/taiga/taiga-back/taiga/base/api/views.py", line 461, in dispatch

response = self.handle_exception(exc)


 "/home/taiga/taiga-back/taiga/base/api/views.py", line 458, in dispatch

response = handler(request, *args, **kwargs)


 "/home/taiga/taiga-back/taiga/base/api/mixins.py", line 100, in create

self.object = validator.save(force_insert=True)


 "/home/taiga/taiga-back/taiga/base/api/serializers.py", line 1115, in save

self.object = super().save(**kwargs)


 "/home/taiga/taiga-back/taiga/base/api/serializers.py", line 648, in save

self.save_object(self.object, **kwargs)


 "/home/taiga/taiga-back/taiga/base/api/serializers.py", line 1133, in save_object

obj.save(**kwargs)


 "/home/taiga/taiga-back/taiga/projects/models.py", line 299, in save

super().save(*args, **kwargs)


 "/home/taiga/.virtualenvs/taiga/lib/python3.4/site-packages/django/db/models/base.py", line 796, in save

force_update=force_update, update_fields=update_fields)


 "/home/taiga/.virtualenvs/taiga/lib/python3.4/site-packages/django/db/models/base.py", line 833, in save_base

update_fields=update_fields, raw=raw, using=using)


 "/home/taiga/.virtualenvs/taiga/lib/python3.4/site-packages/django/dispatch/dispatcher.py", line 191, in send

response = receiver(signal=self, sender=sender, **named)


 "/home/taiga/taiga-back/taiga/projects/signals.py", line 65, in project_post_save

template.apply_to_project(instance)


 "/home/taiga/taiga-back/taiga/projects/models.py", line 1092, in apply_to_project

for ca in self.epic_custom_attributes:
TypeError: 'NoneType' object is not iterable

Traceback (most recent call last):


 "/home/noon/dev/ProjectQ/projectq/cengines/_main.py", line 143, in __del__


 "/home/noon/dev/ProjectQ/projectq/cengines/_main.py", line 229, in flush


 "/home/noon/dev/ProjectQ/projectq/cengines/_main.py", line 214, in receive


 "/home/noon/dev/ProjectQ/projectq/cengines/_basics.py", line 191, in send


 "/home/noon/dev/ProjectQ/projectq/cengines/_tagremover.py", line 56, in receive


 "/home/noon/dev/ProjectQ/projectq/cengines/_basics.py", line 191, in send


 "/home/noon/dev/ProjectQ/projectq/cengines/_optimize.py", line 232, in receive


 "/home/noon/dev/ProjectQ/projectq/cengines/_optimize.py", line 136, in _optimize


 "/home/noon/dev/ProjectQ/projectq/ops/_command.py", line 133, in get_inverse


 "/home/noon/dev/ProjectQ/projectq/ops/_metagates.py", line 117, in get_inverse


 "/home/noon/dev/ProjectQ/projectq/ops/_basics.py", line 215, in get_inverse


 "/home/noon/tools/anaconda3/envs/projectq/lib/python3.5/copy.py", line 174, in deepcopy


 "<frozen importlib._bootstrap>", line 969, in _find_and_load


 "<frozen importlib._bootstrap>", line 954, in _find_and_load_unlocked


 "<frozen importlib._bootstrap>", line 887, in _find_spec
TypeError: 'NoneType' object is not iterable
