Clean up dead code and unused imports

booru_viewer/core/api/moebooru.py

@@ -68,8 +68,6 @@ class MoebooruClient(BooruClient):
             data = data.get("posts", data.get("post", []))
         if not data:
             return None
-        if not data:
-            return None
         item = data[0]
         file_url = item.get("file_url") or item.get("jpeg_url") or ""
         if not file_url:

booru_viewer/core/db.py

@@ -4,11 +4,9 @@ from __future__ import annotations
 
 import sqlite3
 import json
-import threading
 from dataclasses import dataclass, field
 from datetime import datetime, timezone
 from pathlib import Path
-from typing import Generator
 
 from .config import db_path
 

booru_viewer/gui/preview.py

@@ -531,8 +531,6 @@ class VideoPlayer(QWidget):
         self._audio.setMuted(not self._audio.isMuted())
         self._mute_btn.setText("Unmute" if self._audio.isMuted() else "Mute")
 
-    _last_pos = 0
-
     def _on_position(self, pos: int) -> None:
         if not self._seek_slider.isSliderDown():
             self._seek_slider.setValue(pos)