Update requirements.txt

requirements.txt

@@ -1,9 +1,7 @@
-gradio>=4.0.0
-pretty_midi>=0.2.10
-numpy>=1.21.0
-scipy>=1.7.0
-librosa>=0.9.0
-fluidsynth>=1.3.0
-torch>=1.9.0
-torchaudio>=0.9.0
-soundfile>=0.10.0
+gradio==3.50.2
+pretty_midi==0.2.11
+numpy==1.24.3
+scipy==1.10.1
+librosa==0.10.1
+pyfluidsynth==1.3.2
+soundfile==0.12.1