refactor: use sequence creation helpers in single shot routine

src/qibocal/protocols/classification.py

@@ -7,7 +7,7 @@
 import numpy.typing as npt
 import pandas as pd
 import plotly.graph_objects as go
-from qibolab import AcquisitionType, Delay, ExecutionParameters, Platform, PulseSequence
+from qibolab import AcquisitionType, ExecutionParameters, Platform, PulseSequence
 from sklearn.metrics import roc_auc_score, roc_curve
 
 from qibocal import update
@@ -188,21 +188,19 @@ def _acquisition(
  # state1_sequence: RX - MZ
 
  # taking advantage of multiplexing, apply the same set of gates to all qubits in parallel
+ native = platform.natives.single_qubit
  sequences, all_ro_pulses = [], []
  for state in [0, 1]:
- sequence = PulseSequence()
  ro_pulses = {}
+ sequence = PulseSequence()
  for q in targets:
- native = platform.natives.single_qubit[q]
- rx_sequence = native.RX.create_sequence(theta=np.pi, phi=0)
- ro_sequence = native.MZ.create_sequence()
- if state == 1:
- sequence.extend(rx_sequence)
-
- qubit = platform.qubits[q]
- sequence.append((qubit.acquisition, Delay(duration=rx_sequence.duration)))
- sequence.extend(ro_sequence)
+ ro_sequence = native.MZ()
  ro_pulses[q] = ro_sequence[0][1].id
+ sequence += ro_sequence
+
+ if state == 1:
+ rx_sequence = sum([native[q].RX() for q in targets], PulseSequence)
+ sequence = rx_sequence | sequence
 
  sequences.append(sequence)
  all_ro_pulses.append(ro_pulses)