minor fixes

PyTaiko.py

@@ -13,7 +13,6 @@ from libs import song_hash
 from libs.audio import audio
 from libs.utils import (
     get_config,
-    get_current_ms,
     global_data,
     load_all_textures_from_zip,
 )

libs/song_hash.py

@@ -4,7 +4,6 @@ import sys
 import time
 from collections import deque
 from pathlib import Path
-from typing import Optional
 
 from git import Repo
 
@@ -12,11 +11,7 @@ from libs.tja import TJAParser
 from libs.utils import get_config, global_data
 
 
-class DiffHashesDecoder(json.JSONDecoder):
+def diff_hashes_object_hook(obj):
-    def __init__(self, *args, **kwargs):
-        super().__init__(object_hook=self.object_hook, *args, **kwargs)
-
-    def object_hook(self, obj):
     if "diff_hashes" in obj:
         obj["diff_hashes"] = {
             int(key): value
@@ -24,6 +19,10 @@ class DiffHashesDecoder(json.JSONDecoder):
         }
     return obj
 
+class DiffHashesDecoder(json.JSONDecoder):
+    def __init__(self, *args, **kwargs):
+        super().__init__(object_hook=diff_hashes_object_hook, *args, **kwargs)
+
 def build_song_hashes(output_dir=Path("cache")):
     song_hashes: dict[str, list[dict]] = dict()
     path_to_hash: dict[str, str] = dict()  # New index for O(1) path lookups

scenes/game.py

@@ -136,6 +136,7 @@ class GameScreen:
         for zip in self.textures:
             for texture in self.textures[zip]:
                 ray.unload_texture(texture)
+        if self.song_music is not None:
             audio.unload_sound(self.song_music)
         del self.song_music
         self.song_started = False