Enable use of qiskit ParameterExpressions for circuit conversion: qiskit to braket

qiskit_braket_provider/providers/adapter.py

@@ -29,7 +29,7 @@
 
 from qiskit import QuantumCircuit, transpile
 from qiskit.circuit import Instruction as QiskitInstruction
-from qiskit.circuit import Measure, Parameter
+from qiskit.circuit import Measure, Parameter, ParameterExpression
 from qiskit.circuit.library import (
     CCXGate,
     CPhaseGate,
@@ -451,6 +451,8 @@ def convert_qiskit_to_braket_circuit(circuit: QuantumCircuit) -> Circuit:
             for i, param in enumerate(params):
                 if isinstance(param, Parameter):
                     params[i] = FreeParameter(param.name)
+                elif isinstance(param, ParameterExpression): # Enables users to use ParameterVector elements
+                    params[i] = FreeParameter(name=list(param._names.keys())[0]) # Name of the parameter is stored as a dict key
 
             for gate in qiskit_gate_names_to_braket_gates[gate_name](*params):
                 instruction = Instruction(