AttributeError: 'NoneType' object has no attribute 'patientrecords'

[davmlaw]

View details in Rollbar: https://app.rollbar.com/a/jimmy.andrews/fix/item/VariantGrid/6918

Traceback (most recent call last):
  File "/mnt/variantgrid/.venv/lib/python3.12/site-packages/django/core/handlers/base.py", line 198, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/mnt/variantgrid/patients/views.py", line 100, in view_patient_modifications
    return render(request, 'patients/view_patient_modifications.html', context)
  File "/mnt/variantgrid/.venv/lib/python3.12/site-packages/django/shortcuts.py", line 25, in render
    content = loader.render_to_string(template_name, context, request, using=using)
  File "/mnt/variantgrid/.venv/lib/python3.12/site-packages/django/template/loader.py", line 62, in render_to_string
    return template.render(context, request)
  File "/mnt/variantgrid/.venv/lib/python3.12/site-packages/django/template/backends/django.py", line 107, in render
    return self.template.render(context)
  File "/mnt/variantgrid/.venv/lib/python3.12/site-packages/django/template/base.py", line 174, in render
    return self._render(context)
  File "/mnt/variantgrid/.venv/lib/python3.12/site-packages/django/template/base.py", line 166, in _render
    return self.nodelist.render(context)
  File "/mnt/variantgrid/.venv/lib/python3.12/site-packages/django/template/base.py", line 1091, in render
    return SafeString("".join([node.render_annotated(context) for node in self]))
  File "/mnt/variantgrid/.venv/lib/python3.12/site-packages/django/template/base.py", line 1052, in render_annotated
    return self.render(context)
  File "/mnt/variantgrid/.venv/lib/python3.12/site-packages/django/template/defaulttags.py", line 249, in render
    nodelist.append(node.render_annotated(context))
  File "/mnt/variantgrid/.venv/lib/python3.12/site-packages/django/template/base.py", line 1052, in render_annotated
    return self.render(context)
  File "/mnt/variantgrid/.venv/lib/python3.12/site-packages/django/template/defaulttags.py", line 579, in render
    values = {key: val.resolve(context) for key, val in self.extra_context.items()}
  File "/mnt/variantgrid/.venv/lib/python3.12/site-packages/django/template/base.py", line 788, in resolve
    obj = self.var.resolve(context)
  File "/mnt/variantgrid/.venv/lib/python3.12/site-packages/django/template/base.py", line 928, in resolve
    value = self._resolve_lookup(context)
  File "/mnt/variantgrid/.venv/lib/python3.12/site-packages/django/template/base.py", line 1000, in _resolve_lookup
    current = current()
  File "/mnt/variantgrid/patients/models.py", line 387, in get_import_url
    url = self.patient_import.patientrecords.get_absolute_url()
AttributeError: 'NoneType' object has no attribute 'patientrecords'