Update app.py

app.py

@@ -1,13 +1,14 @@
 import subprocess
 
 # Install the required packages
+subprocess.check_call(["pip", "install", "--upgrade", "pip"])
 subprocess.check_call(["pip", "install", "-U", "git+https://github.com/huggingface/transformers.git"])
 subprocess.check_call(["pip", "install", "-U", "git+https://github.com/huggingface/accelerate.git"])
 subprocess.check_call(["pip", "install", "datasets"])
 subprocess.check_call(["pip", "install", "evaluate"])
 subprocess.check_call(["pip", "install", "scikit-learn"])
 subprocess.check_call(["pip", "install", "torchvision"])
-pip install --upgrade pip
+
 
 model_checkpoint = "Heem2/Facemask-detection"
 batch_size = 128