code: def test_no_func_group():
      def inner(a=5, b=6):
          return a + b
  
      out = interact(inner, nest=False)
      assert isinstance(out, list)
  
imports: from functools import wraps
  import numpy
  import pyqtgraph
  import pytest
  from pyqtgraph import functions
  from pyqtgraph.parametertree import InteractiveFunction, Interactor, interact, RunOptions
  from pyqtgraph.parametertree import Parameter
  from pyqtgraph.parametertree.Parameter import PARAM_TYPES
  from pyqtgraph.parametertree.parameterTypes import GroupParameter
  from pyqtgraph.Qt import QtGui
label_desc: Use image node_id 6 for calling a global function with example usage: test_no_func_group() and returns: unknown