code: def interface(name, file=None):
      return Spec({name: []})
  
file_path: pythran/pythran/tests/test_openmp.py
imports: import unittest
  from distutils.errors import CompileError
  from pythran.tests import TestFromDir
  import os
  import pythran
  from pythran.syntax import PythranSyntaxError
  from pythran.spec import Spec
label_desc: Use image node_id 1 for calling the TestOpenMP4 obj's underlying member method code with example usage: obj.interface(name, file) and returns: Spec