E501: URLs not allowed in first line of assigned multiline strings

[jayvdb]

New in pycodestyle 2.4, a long-unbroken-string (e.g. URL) in the first line of a multiline string is now an error.

I suspect it is due to https://github.com/PyCQA/pycodestyle/pull/630 , as the most likely candidate due to it touching E501.

v = """http://www.thelongestdomainnameintheworldandthensomeandthensomemoreandmore.com/
http://www.thelongestdomainnameintheworldandthensomeandthensomemoreandmore.com/
"""

$ pycodestyle longlines.py
longlines.py:1:80: E501 line too long (86 > 79 characters)

Oddly, it has to be assigned, i.e. not a conventional docstring.