code: def dtype(request):
      """Parametrized fixture returning a float 'dtype'"""
      return request.param()
  
file_path: pandas/pandas/tests/arrays/floating/conftest.py
imports: import numpy
  import pytest
  import pandas
  from pandas.core.arrays.floating import Float32Dtype, Float64Dtype
label_desc: Use image node_id 1 for calling a global function with example usage: dtype(request) and returns: request