code: def test_feed_with_gc(self, x):
      def f(inputs, _):
          self.assertEqual(x.shape, inputs[0].shape)
          np.testing.assert_almost_equal(x, inputs[0].data)
  
      op = CreatePythonOperator(f, ["x"], [])
      workspace.FeedBlob("x", x)
      workspace.RunOperatorOnce(op)
      del f
      workspace.FeedBlob("x", x)
      workspace.RunOperatorOnce(op)
  
imports: from caffe2.python import core, workspace
  from caffe2.python.core import CreatePythonOperator
  import caffe2.python.hypothesis_test_util
  from hypothesis import given, settings
  import hypothesis.strategies
  import numpy
label_desc: Use image node_id 6 for calling the PythonOpTest obj's underlying member method code with example usage: obj.test_feed_with_gc(x) without return types