gistfile1.txt

3.7.0a1 (default, Oct 17 2017, 17:08:18) 
[GCC 6.3.0 20170516]
Traceback (most recent call last):
  File "t.py", line 14, in <module>
    print(mail)
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/message.py", line 971, in __str__
    return self.as_string(policy=self.policy.clone(utf8=True))
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/message.py", line 968, in as_string
    return super().as_string(maxheaderlen=maxheaderlen, policy=policy)
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/message.py", line 158, in as_string
    g.flatten(self, unixfrom=unixfrom)
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/generator.py", line 116, in flatten
    self._write(msg)
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/generator.py", line 181, in _write
    self._dispatch(msg)
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/generator.py", line 214, in _dispatch
    meth(msg)
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/generator.py", line 272, in _handle_multipart
    g.flatten(part, unixfrom=False, linesep=self._NL)
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/generator.py", line 116, in flatten
    self._write(msg)
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/generator.py", line 195, in _write
    self._write_headers(msg)
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/generator.py", line 222, in _write_headers
    self.write(self.policy.fold(h, v))
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/policy.py", line 183, in fold
    return self._fold(name, value, refold_binary=True)
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/policy.py", line 205, in _fold
    return value.fold(policy=self)
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/headerregistry.py", line 255, in fold
    return header.fold(policy=policy)
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/_header_value_parser.py", line 300, in fold
    self._fold(folded)
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/_header_value_parser.py", line 1226, in _fold
    rest._fold(folded)
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/_header_value_parser.py", line 345, in _fold
    if folded.append_if_fits(part):
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/_header_value_parser.py", line 145, in append_if_fits
    ws = token.pop_leading_fws()
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/_header_value_parser.py", line 272, in pop_leading_fws
    return self[0].pop_leading_fws()
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/_header_value_parser.py", line 272, in pop_leading_fws
    return self[0].pop_leading_fws()
  File "/home/altendky/.pyenv/versions/3.7.0a1/lib/python3.7/email/_header_value_parser.py", line 270, in pop_leading_fws
    if self[0].token_type == 'fws':
IndexError: list index out of range