Add support for pip again

yafi/__init__.py

@@ -1 +1,9 @@
-from . import main
+import os
+
+# Register resources if not running in Flatpak
+if not os.environ.get('FLATPAK_ID'):
+    from gi.repository import Gio
+    resource = Gio.Resource.load(os.path.join(os.path.dirname(os.path.abspath(__file__)), 'yafi.gresource'))
+    resource._register()
+
+from .main import main