Fix get_amplitudes

get_amplitudes returns now the expected amplitudes without any normalization and optimization in the background

assignment_helper_QML.py

@@ -26,7 +26,7 @@ def init_qvm_and_quilc(qvm_executable="qvm", quilc_executable="quilc"):
 def get_amplitudes(circuit):
     if isinstance(circuit, qiskit.circuit.quantumcircuit.QuantumCircuit):
         backend = BasicAer.get_backend('statevector_simulator')
-        job = execute(circuit, backend)
+        job = execute(circuit, backend, optimization_level=0)
         amplitudes = job.result().get_statevector(circuit)
     elif isinstance(circuit, pyquil.quil.Program):
         wf_sim = WavefunctionSimulator(connection=fc)