Outdated pyQuil imports in utils.py and tomography.py

[brian-phasecraft]

Using

• pyQuil version: 3.0.1

with the latest installation of forest.

Some functions have been moved within pyQuil, which are imported by forest.

• utils.py
  • from pyquil.gate_matrices import X, Y, Z
  • should be
  • from pyquil.gates import X,Y,Z
• tomopgraphy.py
  • from pyquil.unitary_tools import lifted_pauli as pauli2matrix, lifted_state_operator as state2matrix
  • should be
  • from pyquil.simultion.tools import lifted_pauli as pauli2matrix, lifted_state_operator as state2matrix