code: def test_repr_dtype(dtype, expected):
      assert repr(dtype) == expected
  
file_path: pandas/pandas/tests/arrays/floating/test_repr.py
imports: import numpy
  import pytest
  import pandas
  from pandas.core.arrays.floating import Float32Dtype, Float64Dtype
label_desc: Use image node_id 2 for calling a global function with example usage: test_repr_dtype(dtype, expected) without return types