Traceback (most recent call last):
File "/usr/local/lib/python3.5/site-packages/django/contrib/staticfiles/handlers.py", line 63, in __call__
return self.application(environ, start_response)
File "/usr/local/lib/python3.5/site-packages/whitenoise/base.py", line 66, in __call__
return self.application(environ, start_response)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/wsgi.py", line 170, in __call__
response = self.get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/base.py", line 124, in get_response
response = self._middleware_chain(request)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 41, in inner
response = response_for_exception(request, exc)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 86, in response_for_exception
response = handle_uncaught_exception(request, get_resolver(get_urlconf()), sys.exc_info())
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 128, in handle_uncaught_exception
return debug.technical_500_response(request, *exc_info)
File "/usr/local/lib/python3.5/site-packages/django_extensions/management/technical_response.py", line 6, in null_technical_500_response
six.reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python3.5/site-packages/six.py", line 686, in reraise
raise value
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 39, in inner
response = get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/utils/deprecation.py", line 136, in __call__
response = self.get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 41, in inner
response = response_for_exception(request, exc)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 86, in response_for_exception
response = handle_uncaught_exception(request, get_resolver(get_urlconf()), sys.exc_info())
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 128, in handle_uncaught_exception
return debug.technical_500_response(request, *exc_info)
File "/usr/local/lib/python3.5/site-packages/django_extensions/management/technical_response.py", line 6, in null_technical_500_response
six.reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python3.5/site-packages/six.py", line 686, in reraise
raise value
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 39, in inner
response = get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/utils/deprecation.py", line 136, in __call__
response = self.get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 41, in inner
response = response_for_exception(request, exc)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 86, in response_for_exception
response = handle_uncaught_exception(request, get_resolver(get_urlconf()), sys.exc_info())
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 128, in handle_uncaught_exception
return debug.technical_500_response(request, *exc_info)
File "/usr/local/lib/python3.5/site-packages/django_extensions/management/technical_response.py", line 6, in null_technical_500_response
six.reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python3.5/site-packages/six.py", line 686, in reraise
raise value
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 39, in inner
response = get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/utils/deprecation.py", line 136, in __call__
response = self.get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 41, in inner
response = response_for_exception(request, exc)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 86, in response_for_exception
response = handle_uncaught_exception(request, get_resolver(get_urlconf()), sys.exc_info())
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 128, in handle_uncaught_exception
return debug.technical_500_response(request, *exc_info)
File "/usr/local/lib/python3.5/site-packages/django_extensions/management/technical_response.py", line 6, in null_technical_500_response
six.reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python3.5/site-packages/six.py", line 686, in reraise
raise value
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 39, in inner
response = get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/utils/deprecation.py", line 136, in __call__
response = self.get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 41, in inner
response = response_for_exception(request, exc)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 86, in response_for_exception
response = handle_uncaught_exception(request, get_resolver(get_urlconf()), sys.exc_info())
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 128, in handle_uncaught_exception
return debug.technical_500_response(request, *exc_info)
File "/usr/local/lib/python3.5/site-packages/django_extensions/management/technical_response.py", line 6, in null_technical_500_response
six.reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python3.5/site-packages/six.py", line 686, in reraise
raise value
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 39, in inner
response = get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/utils/deprecation.py", line 136, in __call__
response = self.get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 41, in inner
response = response_for_exception(request, exc)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 86, in response_for_exception
response = handle_uncaught_exception(request, get_resolver(get_urlconf()), sys.exc_info())
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 128, in handle_uncaught_exception
return debug.technical_500_response(request, *exc_info)
File "/usr/local/lib/python3.5/site-packages/django_extensions/management/technical_response.py", line 6, in null_technical_500_response
six.reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python3.5/site-packages/six.py", line 686, in reraise
raise value
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 39, in inner
response = get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/utils/deprecation.py", line 136, in __call__
response = self.get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 41, in inner
response = response_for_exception(request, exc)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 86, in response_for_exception
response = handle_uncaught_exception(request, get_resolver(get_urlconf()), sys.exc_info())
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 128, in handle_uncaught_exception
return debug.technical_500_response(request, *exc_info)
File "/usr/local/lib/python3.5/site-packages/django_extensions/management/technical_response.py", line 6, in null_technical_500_response
six.reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python3.5/site-packages/six.py", line 686, in reraise
raise value
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 39, in inner
response = get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/utils/deprecation.py", line 136, in __call__
response = self.get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 41, in inner
response = response_for_exception(request, exc)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 86, in response_for_exception
response = handle_uncaught_exception(request, get_resolver(get_urlconf()), sys.exc_info())
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 128, in handle_uncaught_exception
return debug.technical_500_response(request, *exc_info)
File "/usr/local/lib/python3.5/site-packages/django_extensions/management/technical_response.py", line 6, in null_technical_500_response
six.reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python3.5/site-packages/six.py", line 686, in reraise
raise value
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 39, in inner
response = get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/utils/deprecation.py", line 136, in __call__
response = self.get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 41, in inner
response = response_for_exception(request, exc)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 86, in response_for_exception
response = handle_uncaught_exception(request, get_resolver(get_urlconf()), sys.exc_info())
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 128, in handle_uncaught_exception
return debug.technical_500_response(request, *exc_info)
File "/usr/local/lib/python3.5/site-packages/django_extensions/management/technical_response.py", line 6, in null_technical_500_response
six.reraise(exc_type, exc_value, tb)
File "/usr/local/lib/python3.5/site-packages/six.py", line 686, in reraise
raise value
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/exception.py", line 39, in inner
response = get_response(request)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/base.py", line 187, in _get_response
response = self.process_exception_by_middleware(e, request)
File "/usr/local/lib/python3.5/site-packages/django/core/handlers/base.py", line 185, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/usr/local/lib/python3.5/contextlib.py", line 30, in inner
return func(*args, **kwds)
File "/app/app_name/views.py", line 387, in submit
return render(request, 'pages/submit.html', context)
File "/usr/local/lib/python3.5/site-packages/django/shortcuts.py", line 30, in render
content = loader.render_to_string(template_name, context, request, using=using)
File "/usr/local/lib/python3.5/site-packages/django/template/loader.py", line 68, in render_to_string
return template.render(context, request)
File "/usr/local/lib/python3.5/site-packages/django/template/backends/django.py", line 66, in render
return self.template.render(context)
File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 208, in render
return self._render(context)
File "/usr/local/lib/python3.5/site-packages/django/test/utils.py", line 94, in instrumented_test_render
return self.nodelist.render(context)
File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 994, in render
bit = node.render_annotated(context)
File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 961, in render_annotated
return self.render(context)
File "/usr/local/lib/python3.5/site-packages/django/template/loader_tags.py", line 174, in render
return compiled_parent._render(context)
File "/usr/local/lib/python3.5/site-packages/django/test/utils.py", line 94, in instrumented_test_render
return self.nodelist.render(context)
File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 994, in render
bit = node.render_annotated(context)
File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 961, in render_annotated
return self.render(context)
File "/usr/local/lib/python3.5/site-packages/django/template/loader_tags.py", line 70, in render
result = block.nodelist.render(context)
File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 994, in render
bit = node.render_annotated(context)
File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 961, in render_annotated
return self.render(context)
File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 1050, in render
return render_value_in_context(output, context)
File "/usr/local/lib/python3.5/site-packages/django/template/base.py", line 1028, in render_value_in_context
value = force_text(value)
File "/usr/local/lib/python3.5/site-packages/django/utils/encoding.py", line 76, in force_text
s = six.text_type(s)
File "/usr/local/lib/python3.5/site-packages/django/db/models/fields/__init__.py", line 188, in __str__
model = self.model
AttributeError: 'ConstrainedFileField' object has no attribute 'model
'```