Fix DeprecationWarning: Plural value must be an integer, got float (#147)

Author: hugovk

src/humanize/time.py

@@ -590,7 +590,8 @@ def precisedelta(
     for unit, fmt in zip(reversed(Unit), fmts):
         singular_txt, plural_txt, fmt_value = fmt
         if fmt_value > 0 or (not texts and unit == min_unit):
-            fmt_txt = _ngettext(singular_txt, plural_txt, fmt_value)
+            _fmt_value = 2 if 1 < fmt_value < 2 else int(fmt_value)
+            fmt_txt = _ngettext(singular_txt, plural_txt, _fmt_value)
             if unit == min_unit and math.modf(fmt_value)[0] > 0:
                 fmt_txt = fmt_txt.replace("%d", format)
             elif unit == YEARS: