Repository: Textualize/rich
File: rich/tree.py (Python)

Code before:

        guide_style_stack = StyleStack(get_style(self.guide_style))
        style_stack = StyleStack(get_style(self.style))
        remove_guide_styles = Style(bold=False, underline2=False)

        depth = 0

        while stack:
            stack_node = pop()
            try:
                last, node = next(stack_node)
            except StopIteration:
                levels.pop()
                if levels:
                    guide_style = levels[-1].style or null_style
                    levels[-1] = make_guide(FORK, guide_style)
                    guide_style_stack.pop()
                    style_stack.pop()
                continue
            push(stack_node)
            if last:
                levels[-1] = make_guide(END, levels[-1].style or null_style)

            guide_style = guide_style_stack.current + get_style(node.guide_style)
            style = style_stack.current + get_style(node.style)
            prefix = levels[(1 if self.hide_root == False else 2) :]
            renderable_lines = console.render_lines(
                Styled(node.label, style),
                options.update(
                    width=options.max_width
                    - sum(level.cell_length for level in prefix),
                    highlight=self.highlight,
                    height=None,
                ),
            )

            if not (depth == 0 and self.hide_root == True):
                for first, line in loop_first(renderable_lines):
                    if prefix:
                        yield from _Segment.apply_style(
                            prefix,
                            style.background_style,
                            post_style=remove_guide_styles,
                        )
                    yield from line
                    yield new_line
                    if first and prefix:
                        prefix[-1] = make_guide(
                            SPACE if last else CONTINUE, prefix[-1].style or null_style
                        )


Review comment (suggestion):
`self.hide_root == False` can be replaced with `not self.hide_root`

Generally though, it\s best to revere the condition to put the poisitive on the left.

`2 if self._hide_root else 1`

Code after:

        guide_style_stack = StyleStack(get_style(self.guide_style))
        style_stack = StyleStack(get_style(self.style))
        remove_guide_styles = Style(bold=False, underline2=False)

        depth = 0

        while stack:
            stack_node = pop()
            try:
                last, node = next(stack_node)
            except StopIteration:
                levels.pop()
                if levels:
                    guide_style = levels[-1].style or null_style
                    levels[-1] = make_guide(FORK, guide_style)
                    guide_style_stack.pop()
                    style_stack.pop()
                continue
            push(stack_node)
            if last:
                levels[-1] = make_guide(END, levels[-1].style or null_style)

            guide_style = guide_style_stack.current + get_style(node.guide_style)
            style = style_stack.current + get_style(node.style)
            prefix = levels[(2 if self.hide_root else 1) :]
            renderable_lines = console.render_lines(
                Styled(node.label, style),
                options.update(
                    width=options.max_width
                    - sum(level.cell_length for level in prefix),
                    highlight=self.highlight,
                    height=None,
                ),
            )

            if not (depth == 0 and self.hide_root):
                for first, line in loop_first(renderable_lines):
                    if prefix:
                        yield from _Segment.apply_style(
                            prefix,
                            style.background_style,
                            post_style=remove_guide_styles,
                        )
                    yield from line
                    yield new_line
                    if first and prefix:
                        prefix[-1] = make_guide(
                            SPACE if last else CONTINUE, prefix[-1].style or null_style
                        )