filebrowser fix

katrain/__main__.py

@@ -365,15 +365,15 @@ class KaTrainGui(Screen, KaTrainBase):
             ).__self__
 
             def readfile(*_args):
-                files = popup_contents.filesel.selection
+                filename = popup_contents.filesel.filename
                 self.fileselect_popup.dismiss()
-                path, file = os.path.split(files[0])
+                path, file = os.path.split(filename)
                 settings_path = self.config("general/sgf_load")
                 if path != settings_path:
                     self.log(f"Updating sgf load path default to {path}", OUTPUT_INFO)
                     self._config["general"]["sgf_load"] = path
                     self.save_config("general")
-                self.load_sgf_file(files[0], popup_contents.fast.active, popup_contents.rewind.active)
+                self.load_sgf_file(filename, popup_contents.fast.active, popup_contents.rewind.active)
 
             popup_contents.filesel.on_success = readfile
             popup_contents.filesel.on_submit = readfile

katrain/gui/widgets/filebrowser.py

@@ -165,9 +165,6 @@ Builder.load_string(
 #:import abspath os.path.abspath
 #:import i18n katrain.core.lang.i18n
 
-<Button>:
-    track_lang: i18n._('')
-
 <TreeLabel>:
     on_touch_down:
         self.parent.browser.path = self.path if self.collide_point(*args[1].pos) and self.path else self.parent.browser.path