How to use the momepy.Area function in momepy

def test_Area(self):
        self.df_buildings["area"] = mm.Area(self.df_buildings).series
        check = self.df_buildings.geometry[0].area
        assert self.df_buildings["area"][0] == check

def setup_method(self):

        test_file_path = mm.datasets.get_path("bubenec")
        self.df_buildings = gpd.read_file(test_file_path, layer="buildings")
        self.df_tessellation = gpd.read_file(test_file_path, layer="tessellation")
        self.df_tessellation["area"] = mm.Area(self.df_tessellation).series

def setup_method(self):

        test_file_path = mm.datasets.get_path("bubenec")
        self.df_buildings = gpd.read_file(test_file_path, layer="buildings")
        self.df_streets = gpd.read_file(test_file_path, layer="streets")
        self.df_tessellation = gpd.read_file(test_file_path, layer="tessellation")
        self.df_buildings["height"] = np.linspace(10.0, 30.0, 144)
        self.df_tessellation["area"] = mm.Area(self.df_tessellation).series
        self.sw = sw_high(k=3, gdf=self.df_tessellation, ids="uID")
        self.sw.neighbors[100] = []
        self.sw_drop = sw_high(k=3, gdf=self.df_tessellation[2:], ids="uID")