Fix translations

kapitanbooru_uploader/I18N.py

@@ -1,16 +1,14 @@
 import gettext
 import locale
-import os
 from typing import Dict
-
+from importlib.resources import files
 
 class I18N:
     def __init__(self, locale_dir=None):
         # If no locale_dir is provided, use the locales folder relative to this file.
         if locale_dir is None:
-            current_dir = os.path.dirname(os.path.abspath(__file__))
-            locale_dir = os.path.join(current_dir, "locales")
-        self.locale_dir = locale_dir
+            locale_dir = files("kapitanbooru_uploader").joinpath("locales")
+        self.locale_dir = str(locale_dir)
         self.languages = {"en": "English", "pl": "Polski"}
         self.current_lang = "en"
         self.translations: Dict[str, str] = {}