Add more details to py35 EoL changes
@@ -14,7 +14,9 @@ def open_file(path_or_buf, mode="r"):
if is_buffer(path_or_buf, mode):
yield path_or_buf
elif sys.version_info < (3, 6) and isinstance(path_or_buf, os.PathLike):
- # todo: remove when 3.5 is EoL
+ # TODO remove when python 3.5 is EoL (i.e. 2020-09-13)
+ # https://devguide.python.org/#status-of-python-branches
+ # https://www.python.org/dev/peps/pep-0478/
with open(str(path_or_buf), mode) as f:
yield f
else:
