parameters: (scope, var_name)
return_statement: return numpy_array
docstring: get numpy data by the name of var.
docstring_summary: get numpy data by the name of var.
docstring_tokens: get numpy data by the name of var .
function: def numpy_var(scope, var_name):
      """
      get numpy data by the name of var.
      """
      if hasattr(fluid.executor, '_fetch_var'):
          numpy_array = fluid.executor._fetch_var(var_name, scope, True)
      elif hasattr(fluid.executor, 'fetch_var'):
          numpy_array = fluid.executor.fetch_var(var_name, scope, True)
      else:
          raise NameError('ERROR: Unknown Fluid version.')
      return numpy_array
function_tokens: def numpy_var ( scope , var_name ) : if hasattr ( fluid . executor , '_fetch_var' ) : numpy_array = fluid . executor . _fetch_var ( var_name , scope , True ) elif hasattr ( fluid . executor , 'fetch_var' ) : numpy_array = fluid . executor . fetch_var ( var_name , scope , True ) else : raise NameError ( 'ERROR: Unknown Fluid version.' ) return numpy_array