Traceback (most recent call last):
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/core/handlers/exception.py", line 34, in inner
    response = get_response(request)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/core/handlers/base.py", line 115, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/core/handlers/base.py", line 113, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/views/decorators/csrf.py", line 54, in wrapped_view
    return view_func(*args, **kwargs)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/rest_framework/viewsets.py", line 114, in view
    return self.dispatch(request, *args, **kwargs)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/rest_framework/views.py", line 505, in dispatch
    response = self.handle_exception(exc)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/rest_framework/views.py", line 465, in handle_exception
    self.raise_uncaught_exception(exc)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/rest_framework/views.py", line 476, in raise_uncaught_exception
    raise exc
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/rest_framework/views.py", line 502, in dispatch
    response = handler(request, *args, **kwargs)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/rest_framework/mixins.py", line 19, in create
    self.perform_create(serializer)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/rest_framework/mixins.py", line 24, in perform_create
    serializer.save()
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/rest_framework/serializers.py", line 212, in save
    self.instance = self.create(validated_data)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/rest_framework/serializers.py", line 948, in create
    instance = ModelClass._default_manager.create(**validated_data)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/db/models/manager.py", line 82, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/db/models/query.py", line 433, in create
    obj.save(force_insert=True, using=self.db)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/db/models/base.py", line 746, in save
    force_update=force_update, update_fields=update_fields)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/db/models/base.py", line 784, in save_base
    force_update, using, update_fields,
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/db/models/base.py", line 886, in _save_table
    results = self._do_insert(cls._base_manager, using, fields, returning_fields, raw)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/db/models/base.py", line 925, in _do_insert
    using=using, raw=raw,
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/db/models/manager.py", line 82, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/db/models/query.py", line 1204, in _insert
    return query.get_compiler(using=using).execute_sql(returning_fields)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/db/models/sql/compiler.py", line 1377, in execute_sql
    cursor.execute(sql, params)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/db/backends/utils.py", line 100, in execute
    return super().execute(sql, params)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/db/backends/utils.py", line 68, in execute
    return self._execute_with_wrappers(sql, params, many=False, executor=self._execute)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/db/backends/utils.py", line 77, in _execute_with_wrappers
    return executor(sql, params, many, context)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/db/backends/utils.py", line 86, in _execute
    return self.cursor.execute(sql, params)
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/db/utils.py", line 90, in __exit__
    raise dj_exc_value.with_traceback(traceback) from exc_value
  File "/Users/bli1/Development/projects/sideprojects/redribbon/redribbon-api/lib/python3.7/site-packages/django/db/backends/utils.py", line 86, in _execute
    return self.cursor.execute(sql, params)
django.db.utils.IntegrityError: null value in column "created_at" violates not-null constraint
DETAIL:  Failing row contains (2, Bradford, , 24 ia ave, , Mountain View, CA, 94043, SINGLE_FAMILY, f, 1, null).