@Override
  public @Nullable TextRange getCodeBlockRange(Editor editor, PsiFile psiFile) {
    int caretOffset = editor.getCaretModel().getOffset();
    PsiElement element = psiFile.findElementAt(caretOffset);
    if (element == null) {
      return null;
    }
    while (caretOffset > 0 && element instanceof PsiWhiteSpace) {
      caretOffset--;
      element = psiFile.findElementAt(caretOffset);
    }
    PyStatement statement = PsiTreeUtil.getParentOfType(element, PyStatement.class);
    if (statement != null) {
      PyStatementList statementList = PsiTreeUtil.findChildOfType(statement, PyStatementList.class);

      // if the statement above caret is not a block statement, look above for a statement list and then find the statement above
      // that statement list
      if (statementList == null) {
        statementList = PsiTreeUtil.getParentOfType(statement, PyStatementList.class);
        if (statementList != null) {
          statement = PsiTreeUtil.getParentOfType(statementList, PyStatement.class);
        }
      }
      if (statement != null) {
        // if we're in the beginning of the statement already, pressing Ctrl-[ again should move the caret one statement higher
        final int statementStart = statement.getTextRange().getStartOffset();
        int statementEnd = statement.getTextRange().getEndOffset();
        while (statementEnd > statementStart && psiFile.findElementAt(statementEnd) instanceof PsiWhiteSpace) {
          statementEnd--;
        }
        if (caretOffset == statementStart || caretOffset == statementEnd) {
          final PyStatement statementAbove = PsiTreeUtil.getParentOfType(statement, PyStatement.class);
          if (statementAbove != null) {
            if (caretOffset == statementStart) {
              return new TextRange(statementAbove.getTextRange().getStartOffset(), statementEnd);
            }
            else {
              return new TextRange(statementStart, statementAbove.getTextRange().getEndOffset());
            }
          }
        }
        return statement.getTextRange();
      }
    }
    return null;
  }
@Override
  public @Nullable TextRange getCodeBlockRange(Editor editor, PsiFile psiFile)