solaris: AttributeError: module 'solaris' has no attribute 'vector'

fbc_mask = sol.vector.mask.df_to_px_mask(df=cropped_polys_gdf, channels=['footprint', 'boundary', 'contact'], affine_obj=tfm, shape=(tile_size,tile_size), boundary_width=5, boundary_type='inner', contact_spacing=5, meters=True)

AttributeError: module ‘solaris’ has no attribute ‘vector’