The Column class accepts a 'doc' argument. Use it.
And while we're at it, make them all unicode strings.
Performed by the following sed script:
s/info=dict(description=u\?\("[^"]*"\))/doc=u\1/
s/info=dict(description=u\?\('[^']*'\))/doc=u\1/
s/\(\s*\)info=dict(description=u\?\("[^"]*"\), /\1doc=u\2,\n\1info=dict(/
s/\(\s*\)info=dict(description=u\?\('[^']*'\), /\1doc=u\2,\n\1info=dict(/
/info=dict(description=u\?\('[^']*'\),$/ {
s//doc=u\1,/
n
s/^\s*/&info=dict(/
}
