code: def test_watch():
      df = load_watch()
      data = TS_Data(df["X"], df["side"])
      assert isinstance(data, TS_Data)
  
imports: import numpy
  import pandas
  from seglearn.datasets import load_watch
  from seglearn.base import TS_Data
label_desc: Use image node_id 2 for calling a global function with example usage: test_watch() without return types