found an error while using the equivalence tester
size_qiskit
Ran 1 test in 242.849s
FAILED (errors=1)
Error Traceback (most recent call last): File "C:\Users\one\qcl01\quantum-circuit-layout\src\mapping\size.py", line 479, in size_map best_layout = min(filtered_layouts, key=lambda t: t[0]) ValueError: min() arg is an empty sequence
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "c:\program files (x86)\python36-32\Lib\unittest\case.py", line 59, in testPartExecutor
yield
File "c:\program files (x86)\python36-32\Lib\unittest\case.py", line 605, in run
testMethod()
File "C:\Users\one\qcl01\quantum-circuit-layout\test\test_available_compilers.py", line 97, in test_all_compilers
self.assertTrue(compiler_equivalence(compiler_name), compiler_name)
File "C:\Users\one\qcl01\quantum-circuit-layout\test\test_available_compilers.py", line 36, in compiler_equivalence
compiled_qasm = the_compiler(dag_original, coupling_graph, gate_costs=gate_costs)[0].qasm()
File "C:\Users\one\qcl01\quantum-circuit-layout\src\available_compilers.py", line 177, in _compile_size
gate_costs)
File "C:\Users\one\qcl01\quantum-circuit-layout\src\available_compilers.py", line 221, in compile_w_mapper
compiled_dag, mapping = compile_to_arch(dag_circuit, coupling_graph, arch_mapper)
File "C:\Users\one\qcl01\quantum-circuit-layout\src\compiler.py", line 100, in compile_to_arch
mapping, mapping_circuit = arch_mapper(todo_circuit, current_mapping)
File "C:\Users\one\qcl01\quantum-circuit-layout\src\available_compilers.py", line 206, in arch_mapper
partial_mapping = mapper(dag, current_mapping)
File "C:\Users\one\qcl01\quantum-circuit-layout\src\mapping\size.py", line 201, in map
return self.size_map(circuit, current_mapping, binops_qargs)
File "C:\Users\one\qcl01\quantum-circuit-layout\src\mapping\size.py", line 502, in size_map
return self.simple_mapper.size_map(circuit, current_mapping, binops_qargs)
File "C:\Users\one\qcl01\quantum-circuit-layout\src\mapping\size.py", line 226, in size_map
simple_saved_gates)[0].mapped_to
File "C:\Users\one\qcl01\quantum-circuit-layout\src\mapping\size.py", line 115, in _inner_simple
raise RuntimeError("No max_max_placement was produced. Were binops_qargs empty?")
RuntimeError: No max_max_placement was produced. Were binops_qargs empty?