[Tutor] cgi.FieldStorage to int

[Adam Cripps]

I'm trying to get a cgi.FieldStorage into an int.

The input is in numeric form, as it is provided by an <option>
drop-down box. However, when I try

timestable = int(form.getvalue('timestable'))

I get an error that the type is None - I guess this is because
FieldStorage is a class. However, I've trawled around trying to get
this field into an integer but without any luck.

Any pointers appreciated.
TIA
Adam
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