Replace Exception with more specific FileNotFoundError (#286)

Author: hugovk

src/humanize/i18n.py

@@ -71,7 +71,7 @@ def activate(
         dict: Translations.
 
     Raises:
-        Exception: If humanize cannot find the locale folder.
+        FileNotFoundError: If humanize cannot find the locale folder.
     """
     if locale is None or locale.startswith("en"):
         _CURRENT.locale = None
@@ -85,7 +85,7 @@ def activate(
             "Humanize cannot determinate the default location of the 'locale' folder. "
             "You need to pass the path explicitly."
         )
-        raise Exception(msg)
+        raise FileNotFoundError(msg)
     if locale not in _TRANSLATIONS:
         translation = gettext_module.translation("humanize", path, [locale])
         _TRANSLATIONS[locale] = translation

tests/test_i18n.py

@@ -234,7 +234,7 @@ def test_default_locale_path_null__spec__(
         i18n = importlib.import_module("humanize.i18n")
         monkeypatch.setattr(i18n, "__spec__", None)
 
-        with pytest.raises(Exception, match=self.expected_msg):
+        with pytest.raises(FileNotFoundError, match=self.expected_msg):
             i18n.activate("ru_RU")
 
     def test_default_locale_path_undefined__spec__(
@@ -243,7 +243,7 @@ def test_default_locale_path_undefined__spec__(
         i18n = importlib.import_module("humanize.i18n")
         monkeypatch.delattr(i18n, "__spec__")
 
-        with pytest.raises(Exception, match=self.expected_msg):
+        with pytest.raises(FileNotFoundError, match=self.expected_msg):
             i18n.activate("ru_RU")
 
     @freeze_time("2020-02-02")