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Bugfix QubitNotActiveError when using qubits after epr create with min_fidelity_all_at_end specified #93

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Merged
dieriver merged 1 commit into from
Jan 12, 2026
Merged

Bugfix QubitNotActiveError when using qubits after epr create with min_fidelity_all_at_end specified #93

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2 changes: 1 addition & 1 deletion netqasm/sdk/builder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2080,7 +2080,7 @@ def cleanup(_: BaseNetQASMConnection):
# Otherwise: free the qubits.
if not params.sequential:
for q in qubits:
q.free()
q.free(deactivate=False)

loop.set_cleanup_code(cleanup)

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18 changes: 17 additions & 1 deletion tests/test_builder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -753,7 +753,15 @@ def test_create_epr_min_fidelity_all():
epr_socket = EPRSocket("Bob")

with DebugConnection("Alice", epr_sockets=[epr_socket]) as conn:
epr_socket.create_keep(number=2, min_fidelity_all_at_end=80, max_tries=100)
qubits = epr_socket.create_keep(
number=2, min_fidelity_all_at_end=80, max_tries=100
)

# Check that qubits can be used for following instructions
q1, q2 = qubits
q1.cnot(q2)
q1.measure()
q2.measure()

subroutine = conn._builder.subrt_pop_pending_subroutine()
print(subroutine)
Expand All @@ -779,6 +787,14 @@ def test_create_epr_min_fidelity_all():
PatternWildcard.ANY_ZERO_OR_MORE,
GenericInstr.JMP,
PatternWildcard.BRANCH_LABEL,
PatternWildcard.ANY_ZERO_OR_MORE,
GenericInstr.CNOT,
PatternWildcard.ANY_ZERO_OR_MORE,
GenericInstr.MEAS,
PatternWildcard.ANY_ZERO_OR_MORE,
GenericInstr.MEAS,
PatternWildcard.ANY_ZERO_OR_MORE,
GenericInstr.RET_ARR,
]
)

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