Update requirements.txt

requirements.txt

@@ -276,11 +276,11 @@ tinycss2==1.4.0
 tokenizers==0.21.1
 tomli==2.2.1
 tomlkit==0.13.2
-torch==2.6.0
+torch==2.1.0+cpu
 torch-audiomentations==0.12.0
 torch-complex==0.4.4
 torch_pitch_shift==1.2.5
-torchaudio==2.6.0
+torchaudio==2.1.0+cpu
 torchmetrics==1.3.1
 torchvision==0.21.0
 tornado==6.4.2
@@ -310,3 +310,4 @@ whisper==1.1.10
 widgetsnbextension==4.0.13
 yarl==1.18.3
 yaspin==3.1.0
+--extra-index-url https://download.pytorch.org/whl/cpu