How to use the osmnx.core.bbox_from_point function in osmnx

bbox = BBox(north = max_lat + (max_lat - min_lat) * rel_margins.north,
                south = min_lat - (max_lat - min_lat) * rel_margins.south,
                east = max_lng + (max_lng - min_lng) * rel_margins.east,
                west = min_lng - (max_lng - min_lng) * rel_margins.west)

    bbox_area = get_bbox_area(bbox, unit = unit)

    if bbox_area < min_area:
        midpoint = get_meanpoint(points)

        if unit == Units.m:
            length = math.sqrt(min_area)
        elif unit == Units.km:
            length = math.sqrt(min_area * 1e6)

        bbox_ = ox.core.bbox_from_point(
           point = (midpoint.lat, midpoint.lng),
           distance = length)

        bbox = BBox(north = bbox_[0],
                    south = bbox_[1],
                    east = bbox_[2],
                    west = bbox_[3])

    elif bbox_area > max_area:
        # Too large network
        raise GiantBBox("BBox is too big: area of bounding box exceeds the upper bound. This is a safety feature. You can surpass this by re-running with a larger upper bound.")

    return bbox

bbox = BBox(north = max_lat + (max_lat - min_lat) * rel_margins.north,
                south = min_lat - (max_lat - min_lat) * rel_margins.south,
                east = max_lng + (max_lng - min_lng) * rel_margins.east,
                west = min_lng - (max_lng - min_lng) * rel_margins.west)

    bbox_area = get_bbox_area(bbox, unit = unit)

    if bbox_area < min_area:
        midpoint = get_meanpoint(points)

        if unit == Units.m:
            length = math.sqrt(min_area)
        elif unit == Units.km:
            length = math.sqrt(min_area * 1e6)

        bbox_ = ox.core.bbox_from_point(
           point = (midpoint.lat, midpoint.lng),
           distance = length)

        bbox = BBox(north = bbox_[0],
                    south = bbox_[1],
                    east = bbox_[2],
                    west = bbox_[3])

    elif bbox_area > max_area:
        raise BBoxAreaSafetyError(bbox_area, max_area, unit.name)

    return bbox

Parameters
    ----------
    point : tuple
        a lat-long point
    distance : numeric
        distance in meters
    amenities : list
        List of amenities that will be used for finding the POIs from the selected area.
        See available amenities from: http://wiki.openstreetmap.org/wiki/Key:amenity

    Returns
    -------
    GeoDataFrame
    """

    bbox = bbox_from_point(point=point, distance=distance)
    north, south, east, west = bbox
    return create_poi_gdf(amenities=amenities, north=north, south=south, east=east, west=west)

----------
    point : tuple
        a lat-long point
    distance : numeric
        distance in meters
    footprint_type : string
        type of footprint to be downloaded. OSM tag key e.g. 'building', 'landuse', 'place', etc.
    retain_invalid : bool
        if False discard any footprints with an invalid geometry

    Returns
    -------
    GeoDataFrame
    """

    bbox = bbox_from_point(point=point, distance=distance)
    north, south, east, west = bbox
    return create_footprints_gdf(north=north, south=south, east=east, west=west,
                                 footprint_type=footprint_type, retain_invalid=retain_invalid)

Parameters
    ----------
    point : tuple
        a lat-long point
    distance : numeric
        distance in meters
    retain_invalid : bool
        if False discard any building footprints with an invalid geometry

    Returns
    -------
    GeoDataFrame
    """

    bbox = bbox_from_point(point=point, distance=distance)
    north, south, east, west = bbox
    return create_buildings_gdf(north=north, south=south, east=east, west=west, retain_invalid=retain_invalid)