Doesn't recognize WKT MultiLineString type #22

wkts = ['MULTILINESTRING ((0 0, 1 1), (2 0, 2 1))']
(
    Theto(api_key=None)
    .add_source(wkts, label='a')
    .prepare_plot(plot_width=400, map_type='carto_light')
    .add_layer('a', fill_color='yellow', line_color='black', alpha=0.5)
    .render_plot('notebook')
)

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-2-07450c06b8a0> in <module>
      5 (
      6     Theto(api_key=None)
----> 7     .add_source(wkts, label='a')
      8     .prepare_plot(plot_width=400, map_type='carto_light')
      9     .add_layer('a', fill_color='yellow', line_color='black', alpha=0.5)

/opt/maxpoint/envs/analysis-preview-py3-115.0-5968/lib/python3.6/site-packages/theto/theto.py in add_source(self, data, label, uid, column_name, **kwargs)
    256             processed_data = [coordinate_utils.import_geojson(v, self.precision) for v in raw_data]
    257         else:
--> 258             processed_data = [coordinate_utils.process_input_value(v) for v in raw_data]
    259 
    260         processed_data_transformed = [coordinate_utils.to_webmercator(v) for v in processed_data]

/opt/maxpoint/envs/analysis-preview-py3-115.0-5968/lib/python3.6/site-packages/theto/theto.py in <listcomp>(.0)
    256             processed_data = [coordinate_utils.import_geojson(v, self.precision) for v in raw_data]
    257         else:
--> 258             processed_data = [coordinate_utils.process_input_value(v) for v in raw_data]
    259 
    260         processed_data_transformed = [coordinate_utils.to_webmercator(v) for v in processed_data]

/opt/maxpoint/envs/analysis-preview-py3-115.0-5968/lib/python3.6/site-packages/theto/coordinate_utils.py in process_input_value(value)
    288             return loads(value)
    289         else:
--> 290             raise ValueError('String inputs must be either a geohash or well-known text.')
    291     elif type(value) in (tuple, list):
    292         if validate_latlon_pair(value):

ValueError: String inputs must be either a geohash or well-known text.