Global AI and Data Science

KeyError                                  Traceback (most recent call last)
Cell In[29], line 96
     94 qr = QuantumRegister(56, 'qr')
     95 s_bo = QuantumCircuit(s, qr)
---> 96 sb = s_box(s, qr, 0)
     97 s_bo.append(sb, s[:] + qr[0:56])
     99 # Display the circuit

Cell In[29], line 21, in s_box(s, qr, t)
     18 for i in range(8):
     19     s_box.cx(s[i], qr[i + 8])
---> 21 mul1 = multiplier(s, qr[:8], qr[16:24])
     22 s_box.append(mul1, s[:] + qr[:8] + qr[16:24])
     24 for i in range(8):

Cell In[26], line 119, in multiplier(a, b, c, s)
    116 decomposed_circuit = circuit.decompose()
    118 # Convert Qiskit circuit to pytket circuit
--> 119 tk_circuit = qiskit_to_tk(decomposed_circuit)
    121 # Apply optimization sequence
    122 optimization_sequence = SequencePass([
    123     FullPeepholeOptimise(),
    124     KAKDecomposition(),
    125     DecomposeBoxes(),
    126     OptimisePhaseGadgets()
    127 ])

File ~\anaconda3\Lib\site-packages\pytket\extensions\qiskit\qiskit_convert.py:559, in qiskit_to_tk(qcirc, preserve_param_uuid)
    551     qcirc = cast(QuantumCircuit, qcirc.assign_parameters(updates))
    553 builder = CircuitBuilder(
    554     qregs=qcirc.qregs,
    555     cregs=qcirc.cregs,
    556     name=circ_name,
    557     phase=param_to_tk(qcirc.global_phase),
    558 )
--> 559 builder.add_qiskit_data(qcirc)
    560 return builder.circuit()

File ~\anaconda3\Lib\site-packages\pytket\extensions\qiskit\qiskit_convert.py:409, in CircuitBuilder.add_qiskit_data(self, circuit, data)
    402     except KeyError:
    403         raise NotImplementedError(
    404             f"Conversion of qiskit's {instr.name} instruction is "
    405             + "currently unsupported by qiskit_to_tk. Consider "
    406             + "using QuantumCircuit.decompose() before attempting "
    407             + "conversion."
    408         )
--> 409 qubits = [self.qbmap[qbit] for qbit in qargs]
    410 bits = [self.cbmap[bit] for bit in cargs]
    412 if optype == OpType.QControlBox:

File ~\anaconda3\Lib\site-packages\pytket\extensions\qiskit\qiskit_convert.py:409, in <listcomp>(.0)
    402     except KeyError:
    403         raise NotImplementedError(
    404             f"Conversion of qiskit's {instr.name} instruction is "
    405             + "currently unsupported by qiskit_to_tk. Consider "
    406             + "using QuantumCircuit.decompose() before attempting "
    407             + "conversion."
    408         )
--> 409 qubits = [self.qbmap[qbit] for qbit in qargs]
    410 bits = [self.cbmap[bit] for bit in cargs]
    412 if optype == OpType.QControlBox:

KeyError: Qubit(QuantumRegister(56, 'qr'), 17)

I am getting the above error when i try to pass qubits to a function which contains optimization by cpnverting qiskit to tket.
Please help me solve this error