code: def has_f2py_sources(self):
      for source in self.sources:
          if fortran_pyf_ext_re(source):
              return True
      return False
  
file_path: catboost/contrib/python/numpy/py2/numpy/distutils/extension.py
imports: from __future__ import division, absolute_import, print_function
  import sys
  import re
  from distutils.extension import Extension
label_desc: Use image node_id 3 for calling the Extension obj's underlying member method code with example usage: obj.has_f2py_sources() and returns: False, True