urwid.ELLIPSIS not exported

[cyrus-and]

Description:

urwid.ELLIPSIS is not exported.

Affected versions (if applicable)

• master branch (specify commit)
• Latest stable version from pypi
• Other (specify source)

Steps to reproduce (if applicable)

$ python3 -c 'import urwid; print(urwid.ELLIPSIS)'

Expected/actual outcome

Expected:

$ python3 -c 'import urwid; print(urwid.ELLIPSIS)'
ellipsis

Actual:

$ python3 -c 'import urwid; print(urwid.ELLIPSIS)'
Traceback (most recent call last):
  File "<string>", line 1, in <module>
AttributeError: module 'urwid' has no attribute 'ELLIPSIS'