eliminate execute from imports

src/qiskit_qec/analysis/faultenumerator.py

@@ -18,7 +18,6 @@
 from qiskit import QuantumCircuit
 from qiskit.converters import circuit_to_dag
 from qiskit.circuit.library import IGate, XGate, YGate, ZGate
-from qiskit import execute
 from qiskit_aer import Aer
 
 from qiskit_qec.analysis.extensions import C_FAULT_ENUMERATOR

src/qiskit_qec/analysis/faultsampler.py

@@ -7,7 +7,6 @@
 from qiskit.dagcircuit.dagnode import DAGNode
 from qiskit.converters import circuit_to_dag
 from qiskit.circuit.library import IGate, XGate, YGate, ZGate
-from qiskit import execute
 from qiskit_aer import Aer
 
 from qiskit_qec.utils.dag import node_name_label

test/heavy_hex_codes/test_heavy_hex_decoder.py

@@ -1,7 +1,6 @@
 """Test a heavy-hexagon code decoder"""
 import unittest
 
-from qiskit import execute
 from qiskit_aer import Aer
 
 from qiskit_qec.codes.hhc import HHC

test/matching/test_circuitmatcher.py

@@ -1,7 +1,7 @@
 """Tests for the subsystem CSS circuit-level matching decoder."""
 import unittest
 
-from qiskit import execute, QuantumCircuit
+from qiskit import QuantumCircuit
 from qiskit_aer import Aer
 
 from qiskit_qec.analysis.faultenumerator import FaultEnumerator

test/matching/test_repetitionmatcher.py

@@ -1,7 +1,6 @@
 """Tests for the subsystem CSS circuit-level matching decoder."""
 import unittest
 
-from qiskit import execute
 from qiskit_aer import Aer
 
 from qiskit_qec.analysis.faultenumerator import FaultEnumerator