The fpformat module defines functions for dealing with
floating point numbers representations in 100% pure
This module is unneeded: everything here could
be done via the % string interpolation operator.
The fpformat module defines the following functions and an
Exception raised when a string passed to fix() or
sci() as the x parameter does not look like a number.
This is a subclass of ValueError when the standard
exceptions are strings. The exception value is the improperly
formatted string that caused the exception to be raised.