use proper decimal separator for french

Author: merwok

src/humanize/i18n.py

@@ -30,6 +30,7 @@
 # Mapping of locale to decimal separator
 _DECIMAL_SEPARATOR = {
     "de_DE": ",",
+    "fr_FR": ".",
     "it_IT": ",",
     "pt_BR": ",",
     "hu_HU": ",",

tests/test_i18n.py

@@ -55,6 +55,8 @@ def test_intcomma() -> None:
 
         humanize.i18n.activate("fr_FR")
         assert humanize.intcomma(number) == "10 000 000"
+        assert humanize.intcomma(1_234_567.89) == "1 234 567.89"
+        assert humanize.intcomma("1 234 567.89") == "1 234 567.89"
 
         humanize.i18n.activate("pt_BR")
         assert humanize.intcomma(number) == "10.000.000"