code: def _create_line() -> Line:
      return (
          Line()
          .add_xaxis(Faker.week)
          .add_yaxis("商家A", [7, 6, 5, 4, 3, 2, 1])
      )
  
imports: from typing import Iterable
  from unittest.mock import patch
  from nose.tools import assert_equal, assert_in, assert_true
  from pyecharts import options
  from pyecharts.charts import Bar, Line, Tab
  from pyecharts.commons.utils import OrderedSet
  from pyecharts.components import Table
  from pyecharts.faker import Faker
  from pyecharts.globals import ThemeType
label_desc: Use image node_id 2 for calling a global function with example usage: _create_line() and returns: Line