Update app.py

app.py

@@ -2,12 +2,15 @@ import os
 
 os.system("pip install gradio==3.50")
 
-os.system("wget https://github.com/ninja-build/ninja/releases/download/v1.10.2/ninja-linux.zip")
-os.system("sudo unzip ninja-linux.zip -d /usr/local/bin/")
-os.system("sudo update-alternatives --install /usr/bin/ninja ninja /usr/local/bin/ninja 1 --force")
+if not os.path.exists('ninja-linux.zip'):
+    os.system("wget https://github.com/ninja-build/ninja/releases/download/v1.10.2/ninja-linux.zip")
+    os.system("unzip ninja-linux.zip -d ninja")  # Unzip it to a local directory
 
-# Clean up
-os.system("rm ninja-linux.zip")
+# Set Ninja to the PATH
+os.environ['PATH'] = os.getcwd() + '/ninja:' + os.environ['PATH']
+
+# Check if Ninja is installed correctly
+os.system('ninja --version')
 
 
 from argparse import Namespace