code: def test_flag_detection():
      # Check that the code detecting blas flags does not raise any exception.
      # It used to happen on python 3 because of improper string handling,
      # but was not detected because that path is not usually taken,
      # so we test it here directly.
      GCC_compiler.try_flags(["-lblas"])
  
file_path: Theano/theano/gof/tests/test_cmodule.py
imports: from __future__ import absolute_import, print_function, division
  import numpy
  import theano
  from theano.gof.cmodule import GCC_compiler
label_desc: Use image node_id 2 for calling a global function with example usage: test_flag_detection() without return types