Traceback (most recent call last):
File "apps/frappe/frappe/app.py", line 97, in application
response = frappe.api.handle()
^^^^^^^^^^^^^^^^^^^
File "apps/frappe/frappe/api.py", line 55, in handle
return frappe.handler.handle()
^^^^^^^^^^^^^^^^^^^^^^^
File "apps/frappe/frappe/handler.py", line 48, in handle
data = execute_cmd(cmd)
^^^^^^^^^^^^^^^^
File "apps/frappe/frappe/handler.py", line 86, in execute_cmd
return frappe.call(method, **frappe.form_dict)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "apps/frappe/frappe/__init__.py", line 1619, in call
return fn(*args, **newargs)
^^^^^^^^^^^^^^^^^^^^
File "apps/approvals/approvals/approvals/api.py", line 73, in fetch_approvals_and_roles
if "@" in role and assigned_user == "Unassigned":
^^^^^^^^^^^
TypeError: argument of type 'NoneType' is not iterable