Update app.py

app.py

@@ -28,12 +28,16 @@ def clone_and_run_fooocus():
         subprocess.run(["git", "clone", "https://github.com/lllyasviel/Fooocus.git"], check=True)
         print("Fooocus repository cloned successfully.")
         print("Changing directory to Fooocus...")
-        subprocess.run(["cd", "Fooocus"], check=True)
+
+        # Use os.chdir() to change directories within Python
+        import os
+        os.chdir("Fooocus")
+
         print("Executing entry_with_update.py...")
         subprocess.run(["python", "entry_with_update.py", "--share", "--always-high-vram"], check=True)
         print("Fooocus script execution complete.")
     except subprocess.CalledProcessError as e:
-        print(f"An error occurred: {e}")
+        print("An error occurred: {e}")
         print("Please ensure you have Git and Python installed correctly.")
 
 if __name__ == "__main__":