email_account.receive

Traceback (most recent call last):
  File "/home/frappe/frappe-bench/apps/frappe/frappe/email/doctype/email_account/email_account.py", line 277, in receive
    communication = self.insert_communication(msg, args=args)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/email/doctype/email_account/email_account.py", line 334, in insert_communication
    email = Email(raw)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/email/receive.py", line 370, in __init__
    self.parse()
  File "/home/frappe/frappe-bench/apps/frappe/frappe/email/receive.py", line 391, in parse
    self.process_part(part)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/email/receive.py", line 443, in process_part
    self.text_content += self.get_payload(part)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/email/receive.py", line 487, in get_payload
    charset = self.get_charset(part)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/email/receive.py", line 482, in get_charset
    charset = chardet.detect(str(part))['encoding']
  File "/home/frappe/frappe-bench/env/lib/python3.6/site-packages/chardet/__init__.py", line 34, in detect
    '{0}'.format(type(byte_str)))
TypeError: Expected object of type bytes or bytearray, got: <class 'str'>