On Sep 28, 7:13 pm, alex23 <[EMAIL PROTECTED]> wrote: > The problem is with this: > > > lines = lines.append(inLine) > > The append method of a list modifies the list in-place, it doesn't > return a copy of the list with the new element appended. In fact, it > returns None, which it then attaches the label 'lines' to, so the next > iteration through it tries to call None.append... > > Replace the line with: > > lines.append(inLine)
Do you ever want to scream from the rooftops, "'append' operates by side-effect!"? -- http://mail.python.org/mailman/listinfo/python-list
