code: def find_modules(self):
      old_py_modules = self.py_modules[:]
      new_py_modules = [_m for _m in self.py_modules if is_string(_m)]
      self.py_modules[:] = new_py_modules
      modules = old_build_py.find_modules(self)
      self.py_modules[:] = old_py_modules
  
      return modules
  
imports: from distutils.command.build_py import build_py
  from numpy.distutils.misc_util import is_string
label_desc: Use image node_id 3 for calling the build_py obj's underlying member method code with example usage: obj.find_modules() and returns: modules