class_docstr: Unit tests for the ``qml.vn_entropy`` function.
class_docstr_tok: ["Unit","tests","for","the","``","qml.vn_entropy","``","function","."]
docstr: Test that the ``__copy__`` method also copies the ``log_base`` information.
docstr_tok: ["Test","that","the","``","__copy__","``","method","also","copies","the","``","log_base","``","information","."]
code: def test_copy(self):
      """Test that the ``__copy__`` method also copies the ``log_base`` information."""
      meas = qml.vn_entropy(wires=0, log_base=2)
      meas_copy = copy.copy(meas)
      assert meas_copy.log_base == 2
      assert meas_copy.wires == Wires(0)
  
imports: import copy
  import numpy
  import pytest
  import pennylane
  from pennylane.measurements import VnEntropy, Shots
  from pennylane.measurements.vn_entropy import VnEntropyMP
  from pennylane.wires import Wires
label_desc: Use image node_id 3 for calling the TestInitialization obj's underlying member method code with example usage: obj.test_copy() without return types