code: def set_pytensor_flags():
      with pytensor.config.change_flags(cxx="", mode="FAST_COMPILE"):
          yield
  
file_path: pytensor/tests/scan/test_utils.py
imports: from copy import copy
  import numpy
  import pytest
  import pytensor
  from pytensor import tensor
  from pytensor.scan.utils import ScanArgs
label_desc: Use image node_id 1 for calling a global function with example usage: set_pytensor_flags() without return types