Update requirements.txt

requirements.txt

@@ -1,5 +1,6 @@
-gradio==3.50.2
-pretty_midi==0.2.11
-numpy==1.24.3
-librosa==0.10.1
-soundfile==0.12.1
+gradio>=4.0.0
+librosa>=0.10.1
+numpy>=1.24.3
+soundfile>=0.12.1
+scipy>=1.10.1
+noisereduce>=2.0.0