flake8 indentation warning

qt/applications/workbench/workbench/plugins/test/test_workspacewidget.py

@@ -71,7 +71,7 @@ class WorkspaceWidgetTest(unittest.TestCase, QtWidgetFinder):
     def test_plot_with_plot_bin(self,mock_plot):
         self.ws_widget._do_plot_bin([self.ws_names[0]], False, False)
         mock_plot.assert_called_once_with(unittest.mock.ANY,errors=False, overplot=False, wksp_indices=[0],
-            plot_kwargs={'axis': MantidAxType.BIN})
+                                          plot_kwargs={'axis': MantidAxType.BIN})
 
     @mock.patch('workbench.plugins.workspacewidget.plot_from_names', autospec=True)
     def test_plot_with_plot_spectrum(self,mock_plot_from_names):