mdipierro/web2py-book — pull request #242 by spokes8249 (2014-11-04 19:59:24+00:00)
Title: changing typo 'lamba' to 'lambda' (line 2596)

"links = [dict(header='Virtual Field 1',body=lamba row:row.vfield),...] )" changed to "links = [dict(header='Virtual Field 1',body=lambda row:row.vfield),...] )"