astropy.extern.configobj.configobj:Section.as_float

Extended Summary

If the value is an invalid literal for float, a ValueError will be raised.

>>> a = ConfigObj()
>>> a['a'] = 'fish'
>>> a.as_float('a')  #doctest: +IGNORE_EXCEPTION_DETAIL
Traceback (most recent call last):
ValueError: invalid literal for float(): fish
>>> a['b'] = '1'
>>> a.as_float('b')
1.0
>>> a['b'] = '3.2'
>>> a.as_float('b')  #doctest: +ELLIPSIS
3.2...