Update app.py

app.py

@@ -233,9 +233,9 @@ subprocess.check_call(["pip", "install", "torch>=1.11.0"])
 subprocess.check_call(["pip", "install", "transformers>=4.31.0 "])
 subprocess.check_call(["pip", "install", "diffusers"])
 subprocess.check_call(["pip", "install", "librosa"])
-subprocess.check_call(["pip", "install", "accelerate"])
+subprocess.check_call(["pip", "install", "accelerate>= 0.20.1"])
 subprocess.check_call(["pip", "install", "safetensors>=0.1.0"])
-
+subprocess.check_call(["pip", "install", "huggingface_hub"])
 import os
 import threading
 import numpy as np
@@ -260,7 +260,7 @@ def install_missing_packages():
         "diffusers": ">=0.14.0",
         "gradio": ">=3.35.2",
         "huggingface_hub": None,
-        "accelerate": None,
+        "accelerate": ">= 0.20.1",
         "safetensors":">=0.1.0",
     }
     for package, version in required_packages.items():