%i not handled

[eichin]

%-formatting has i, {}-formatting doesn't, so while

In [1]: from formatist import convert
In [11]: fstr = "%(foo)i"
In [14]: fstr % dict(foo=3.9)
Out[14]: '3'
In [15]: convert(fstr).format(foo=3.9)
---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-15-ce673c4d3d28> in <module>()
----> 1 convert(fstr).format(foo=3.9)

ValueError: Unknown format code 'i' for object of type 'float'