def process_node(e):
    """
    Process a node element entry into a dict suitable for going into
    a Pandas DataFrame.

    Parameters
    ----------
    e : dict
    Returns
    -------
    node : dict
    """

    uninteresting_tags = {
        'source',
        'source_ref',
        'source:ref',
        'history',
        'attribution',
        'created_by',
        'tiger:tlid',
        'tiger:upload_uuid',
    }

    node = {
        'id': e['id'],
        'lat': e['lat'],
        'lon': e['lon']
    }

    if 'tags' in e:
        for t, v in list(e['tags'].items()):
            if t not in uninteresting_tags:
                node[t] = v

    return node
Process a node element entry into a dict suitable for going into
    a Pandas DataFrame.

    Parameters
    ----------
    e : dict
    Returns
    -------
    node : dict