Update app.py

app.py

@@ -40,8 +40,8 @@ def setup():
     # Update Node version
     print("Updating Node...")
     version = "20"
-    subprocess.run("curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash", check=True)
-    subprocess.run("$HOME/.nvm/nvm.sh", check=True)
+    subprocess.run("curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash", shell=True, check=True)
+    subprocess.run("$HOME/.nvm/nvm.sh", shell=True, check=True)
     subprocess.run(["nvm", "install", version], check=True)
     subprocess.run(["nvm", "use", version], check=True)
     print(f"Node.js updated to version: {version}")