Auto email report error due to Unicode

Hi all,

Can you please check on v11/12 if Thai error happens as this was found on v10.
The report was created based on sales invoice as report builder type…
I can see the report but when enabling the auto email the error shows.

File “/home/frappe/frappe-bench/apps/frappe/frappe/email/doctype/auto_email_report/”, line 61, in get_report_content
filters = self.filters, as_dict=True)
File “/home/frappe/frappe-bench/apps/frappe/frappe/core/doctype/report/”, line 139, in get_data
for key, value in iteritems(filters):
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/”, line 605, in iteritems
return d.iteritems(**kw)
AttributeError: ‘unicode’ object has no attribute ‘iteritems’