Fix can't add track to header row

app/musicmuster.py

@@ -1826,7 +1826,7 @@ class DbDialog(QDialog):
 
 class DownloadCSV(QDialog):
     def __init__(self, parent=None):
-        super().__init__(*args, **kwargs)
+        super().__init__()
 
         self.ui = Ui_DateSelect()
         self.ui.setupUi(self)
@@ -1838,7 +1838,7 @@ class DownloadCSV(QDialog):
 
 class SelectPlaylistDialog(QDialog):
     def __init__(self, parent=None, playlists=None, session=None):
-        super().__init__(*args, **kwargs)
+        super().__init__()
 
         if playlists is None:
             return

app/playlists.py

@@ -270,7 +270,7 @@ class PlaylistTab(QTableWidget):
                     plr_id = self._get_playlistrow_id(row_number)
                     plr = session.get(PlaylistRows, plr_id)
                     track_id = plr.track_id
-                    track_row = track_id > 0
+                    track_row = track_id is not None
                     header_row = not track_row
                     if track_row:
                         current = (
@@ -555,8 +555,12 @@ class PlaylistTab(QTableWidget):
                     plr_id = self._get_playlistrow_id(row)
                     plr_item = session.get(PlaylistRows, plr_id)
                     item = self.item(row, note_column)
-                    if not plr_item or not plr_item.note or not item:
+                    if not item:
                         return False
+                    if not plr_item:
+                        return False
+                    if not plr_item.note:
+                        plr_item.note = ''
                     item.setText(plr_item.note)
 
             # Connect signal so we know when cell has changed.
@@ -1254,7 +1258,7 @@ class PlaylistTab(QTableWidget):
             _ = self._set_item_text(row, ROW_NOTES, plr.note)
 
             start_gap_item = self._set_item_text(row, START_GAP,
-                                                 track.start_gap)
+                                                 str(track.start_gap))
             if track.start_gap and track.start_gap >= 500:
                 start_gap_item.setBackground(QColor(Config.COLOUR_LONG_START))
 
@@ -2043,8 +2047,8 @@ class PlaylistTab(QTableWidget):
 
         _ = self._set_item_text(row, TITLE, track.title)
         _ = self._set_item_text(row, ARTIST, track.artist)
-        _ = self._set_item_text(row, DURATION, track.duration)
+        _ = self._set_item_text(row, DURATION, ms_to_mmss(track.duration))
-        _ = self._set_item_text(row, BITRATE, track.bitrate)
+        _ = self._set_item_text(row, BITRATE, str(track.bitrate))
 
         self.update_display(session)