code: def create(file_path):
      
      if os.path.exists(file_path):
          raise IOError("There is already a configuration file at %s" %
                        file_path)
      with open(file_path, 'w') as f:
          config = configparser.ConfigParser()
          config.add_section('misc')
          config.set('misc', 'config-version', '1.0')
          default_nb_name = os.path.split(os.path.dirname(file_path))[1]
          config.set('misc', 'nb-name', default_nb_name)
          config.add_section('root')
          config.set('root', 'path', '.')
          config.add_section('models')
          config.set('models', 'module', 'models')
          config.add_section('tests')
          config.set('tests', 'module', 'tests')
          config.add_section('suites')
          config.set('suites', 'module', 'suites')
          config.write(f)
docs: Create a default .sciunit config file if one does not already exist.