@Override
  public void doApply(@NotNull Editor editor, @NotNull PySmartEnterProcessor processor, @NotNull PyFunction function)
    throws IncorrectOperationException {
    final PsiElement colon = PyPsiUtils.getFirstChildOfType(function, PyTokenTypes.COLON);
    if (!isFakeFunction(function) && colon == null) {
      final PyParameterList parameterList = function.getParameterList();
      if (function.getNameNode() == null) {
        processor.registerUnresolvedError(parameterList.getTextOffset());
      }
      final int colonOffset;
      final PyAnnotation annotation = function.getAnnotation();
      if (annotation != null) {
        colonOffset = annotation.getTextRange().getEndOffset();
      }
      else {
        colonOffset = parameterList.getTextRange().getEndOffset();
      }
      editor.getDocument().insertString(colonOffset, ":");
    }
  }
@Override
  public void doApply(@NotNull Editor editor, @NotNull PySmartEnterProcessor processor, @NotNull PyFunction function)