public void updateSdkList(boolean preserveSelection, PyConfigurableInterpreterList myInterpreterList) {
    myPythonSdks = myInterpreterList.getAllPythonSdks(myProject, null);
    Sdk selection = preserveSelection ? (Sdk)content.interpreterComboBox.getSelectedItem() : null;
    if (!myPythonSdks.contains(selection)) {
      selection = null;
    }
    myPythonSdks.add(0, null);
    content.interpreterComboBox.setModel(new CollectionComboBoxModel(myPythonSdks, selection));
  }
public void updateSdkList(boolean preserveSelection, PyConfigurableInterpreterList myInterpreterList)