code: def gaussian_dev_fixture():  # alias
      """Fixture of a default.gaussian device with 2 wires."""
      return qml.device("default.gaussian", wires=2)
  
imports: import numpy
  import numpy.random
  import pytest
  from scipy.linalg import block_diag
  from scipy.special import factorial
  import pennylane
  from pennylane import DeviceError
  from pennylane.devices.default_gaussian import fock_prob, rotation, squeezing, quadratic_phase, beamsplitter, two_mode_squeezing, controlled_addition, controlled_phase, vacuum_state, coherent_state, squeezed_state, displaced_squeezed_state, thermal_state
  from pennylane.wires import Wires
label_desc: Use image node_id 4 for calling a global function with example usage: gaussian_dev_fixture() and returns: qml