code: def test_custom_typeset_repr():
      mytypeset = datashape.TypeSet(datashape.int64, datashape.float64)
      assert repr(mytypeset).startswith("TypeSet(")
      assert repr(mytypeset).endswith("name=None)")
  
file_path: datashader/datashader/datashape/tests/test_typeset.py
imports: from datashader import datashape
  import pytest
label_desc: Use image node_id 3 for calling a global function with example usage: test_custom_typeset_repr() without return types