Update test_model_server.py

Author: dk19y

test/unit/test_model_server.py

@@ -279,11 +279,10 @@ def test_install_requirements(check_call):
         assert i in check_call.call_args.args[0]
 
 
-        @patch("subprocess.check_call", side_effect=subprocess.CalledProcessError(0, "cmd"))
+@patch("subprocess.check_call", side_effect=subprocess.CalledProcessError(0, "cmd"))
 def test_install_requirements_installation_failed(check_call):
     with pytest.raises(ValueError) as e:
         torchserve._install_requirements()
-
     assert "failed to install required packages" in str(e.value)