private void addForToComprehensions() {
    extend(CompletionType.BASIC,
           psiElement()
              .withLanguage(PythonLanguage.getInstance())
              .inside(psiElement(PySequenceExpression.class))
              .andNot(psiElement()
              .afterLeaf(or(psiElement(PyTokenTypes.LBRACE), psiElement(PyTokenTypes.LBRACKET), psiElement(PyTokenTypes.LPAR))))
              .andNot(IN_COMMENT),
           new PyKeywordCompletionProvider(PyNames.FOR));
  }
private void addForToComprehensions()