code: def test_from_empty():
      line = LineString()
      assert line.is_empty
      assert isinstance(line.coords, CoordinateSequence)
      assert line.coords[:] == []
  
      line = LineString([])
      assert line.is_empty
      assert isinstance(line.coords, CoordinateSequence)
      assert line.coords[:] == []
  
imports: import numpy
  import pytest
  import shapely
  from shapely import LinearRing, LineString, Point
  from shapely.coords import CoordinateSequence
label_desc: Use image node_id 9 for calling a global function with example usage: test_from_empty() without return types