Update app.py

app.py

@@ -1,5 +1,9 @@
 import subprocess
 
-subprocess.run("git clone https://github.com/facefusion/facefusion")
+# Clone the repository
+subprocess.run(["git", "clone", "https://github.com/facefusion/facefusion"], check=True)
 
-subprocess.run("python run.py --execution-providers cpu")
+subprocess.run(["cd", "facefusion"], check=True)
+
+# Run the ui
+subprocess.run(["python", "run.py", "--execution-providers", "cpu"], check=True)