Error occurred while executing make_create_command() #3795
Description
I can't run any test from avocado list. Do you have any idea to solve this issue?
2023-08-09 23:41:44,020 avocado.utils.process INFO | Running '/usr/bin/ovs-vsctl --db=unix:/var/run/openvswitch/db.sock port-to-br t0-ivoCXX'
2023-08-09 23:41:44,071 avocado.utils.process DEBUG| [stderr] ovs-vsctl: no port named t0-ivoCXX
2023-08-09 23:41:44,071 avocado.utils.process INFO | Command '/usr/bin/ovs-vsctl --db=unix:/var/run/openvswitch/db.sock port-to-br t0-ivoCXX' finished with 1 after 0.027967669s
2023-08-09 23:41:44,072 avocado.virttest.utils_misc ERROR| Fail to create qemu command:
2023-08-09 23:41:44,123 avocado.virttest.utils_misc ERROR| Original Traceback (most recent call last):
File "/home/VMs/.pyenv/versions/3.10.10/envs/env-avocado/lib/python3.10/site-packages/virttest/qemu_vm.py", line 3302, in create
self.devices, self.spice_options = self.make_create_command()
File "/home/VMs/.pyenv/versions/3.10.10/envs/env-avocado/lib/python3.10/site-packages/virttest/qemu_vm.py", line 1683, in make_create_command
devs = devices.machine_by_params(params)
File "/home/VMs/.pyenv/versions/3.10.10/envs/env-avocado/lib/python3.10/site-packages/virttest/qemu_devices/qcontainer.py", line 1515, in machine_by_params
devices = machine_arm64_mmio(cmd)
File "/home/VMs/.pyenv/versions/3.10.10/envs/env-avocado/lib/python3.10/site-packages/virttest/qemu_devices/qcontainer.py", line 1337, in machine_arm64_mmio
pflash_devices, cmd = pflash_handler("aavmf", cmd)
File "/home/VMs/.pyenv/versions/3.10.10/envs/env-avocado/lib/python3.10/site-packages/virttest/qemu_devices/qcontainer.py", line 1102, in pflash_handler
img_info = json.loads(img_obj.info(True, "json"))
File "/home/VMs/.pyenv/versions/3.10.10/lib/python3.10/json/__init__.py", line 339, in loads
raise TypeError(f'the JSON object must be str, bytes or bytearray, '
TypeError: the JSON object must be str, bytes or bytearray, not NoneType