QAOA run-problem-generation Error

[hmy98213]

I am running the "run-problem-generation.py" in

ReCirq/recirq/qaoa/experiments/run-problem-generation.py

Lines 1 to 60 in dcc4da9

	# Copyright 2020 Google
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# https://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.
	from recirq.qaoa.experiments.problem_generation_tasks import SKProblemGenerationTask, \
	HardwareGridProblemGenerationTask, ThreeRegularProblemGenerationTask, \
	generate_3_regular_problem, generate_sk_problem, generate_hardware_grid_problem
	def main():
	dataset_id = '2020-03-19'
	hardware_grid_problem_tasks = [
	HardwareGridProblemGenerationTask(
	dataset_id=dataset_id,
	device_name='Sycamore23',
	instance_i=i,
	n_qubits=n
	)
	for i in range(100)
	for n in range(2, 23 + 1)
	]
	sk_problem_tasks = [
	SKProblemGenerationTask(
	dataset_id=dataset_id,
	instance_i=i,
	n_qubits=n
	)
	for i in range(100)
	for n in range(3, 17 + 1)
	]
	three_regular_problem_tasks = [
	ThreeRegularProblemGenerationTask(
	dataset_id=dataset_id,
	instance_i=i,
	n_qubits=n
	)
	for i in range(100)
	for n in range(3, 23 + 1) if 3 * n % 2 == 0
	]
	for task in hardware_grid_problem_tasks:
	generate_hardware_grid_problem(task)
	for task in sk_problem_tasks:
	generate_sk_problem(task)
	for task in three_regular_problem_tasks:
	generate_3_regular_problem(task)
	if __name__ == '__main__':
	main()

and got the following error:

Traceback (most recent call last):
  File "c:\Users\hmy98\iCloudDrive\Desktop\Test_Generator\qaoa_tutorial.py", line 60, in <module>
    main()
  File "c:\Users\hmy98\iCloudDrive\Desktop\Test_Generator\qaoa_tutorial.py", line 52, in main
    generate_hardware_grid_problem(task)
  File "C:\Users\hmy98\iCloudDrive\Desktop\Test_Generator\venv\lib\site-packages\recirq\qaoa\experiments\problem_generation_tasks.py", line 174, in generate_hardware_grid_problem        
    problem = _get_all_hardware_grid_problems(
  File "C:\Users\hmy98\iCloudDrive\Desktop\Test_Generator\venv\lib\site-packages\recirq\qaoa\experiments\problem_generation_tasks.py", line 156, in _get_all_hardware_grid_problems       
    device_graph = _get_device_graph(device_name=device_name)
  File "C:\Users\hmy98\iCloudDrive\Desktop\Test_Generator\venv\lib\site-packages\recirq\qaoa\experiments\problem_generation_tasks.py", line 121, in _get_device_graph
    device_graph = ccr.gridqubits_to_graph_device(device.qubits)
AttributeError: 'GridDevice' object has no attribute 'qubits'