.addcolumn is not working as expected

[ManuelZ]

ANSITable.addcolumn() does this:

ansitable/ansitable/table.py

Line 551 in 1fd2e99

self.columns.append(Column(name, **kwargs))

But it doesn't do the additional step found in the ANSITable's __init__ method of assigning self to c.table:

ansitable/ansitable/table.py

Lines 520 to 522 in 1fd2e99

	c = Column(c)
	c.table = self
	self.columns.append(c)

Due to that, I'm getting an error like this:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "...\Lib\site-packages\ansitable\table.py", line 828, in print  
    print(str(self), file=file)
          ^^^^^^^^^
  File "...\Lib\site-packages\ansitable\table.py", line 865, in __str__    text += self._row()  # add the headers
            ^^^^^^^^^^^
  File "...\Lib\site-packages\ansitable\table.py", line 782, in _row   
    text += c._formatcolumn(
            ^^^^^^^^^^^^^^^^
  File "...\Lib\site-packages\ansitable\table.py", line 248, in _formatcolumn
    gap1 = _spaces(gap + self.table.colsep)
                         ^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'colsep'

from ansitable import ANSITable
table = ANSITable()
table.addcolumn("")
table.row("a")
table.print()

ansitable 0.11.4

Maybe I'm not using it as it was expected to be used?