addint --verbose 4 causing error

[AskAlexSharov]

--verbose 4 causing error:

python3 ./run_tests.py -c -k jwt.hex -b mainnet -r --verbose 4 -f --json-diff -x trace_,admin_,erigon_,eth_,net_,ots_,parity_,engine_,txpool_,unknown_,web3_,debug_accountAt,debug_accountRange,debug_getModifiedAccountsByHash,debug_getModifiedAccountsByNumber,debug_storageRangeAt,debug_traceBlockByHash,debug_traceBlockByNumber,debug_traceCall

0134. http           ::debug_traceTransaction/test_01.json
 target: localhost:8545
{"id": 1, "jsonrpc": "2.0", "method": "debug_traceTransaction", "params": ["0x4438834aa595a9b8f0ab97cde0946f163f57ca4dff78ee93a9daa660c43e8666", {"disableMemory": true, "disableStack": true, "disableStorage": true}]}
Response.len: 3
Response: {'jsonrpc': '2.0', 'id': 1, 'result': {'structLogs': [], 'gas': 21000, 'failed': False, 'returnValue': ''}}
Traceback (most recent call last):
  File "/home/erigon/rpc-tests/integration/./run_tests.py", line 903, in <module>
    sys.exit(main(sys.argv))
             ^^^^^^^^^^^^^^
  File "/home/erigon/rpc-tests/integration/./run_tests.py", line 869, in main
    ret = run_test(json_test_full_name, test_number_in_any_loop, transport_type, config)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/erigon/rpc-tests/integration/./run_tests.py", line 796, in run_test
    return process_response(
           ^^^^^^^^^^^^^^^^^
  File "/home/erigon/rpc-tests/integration/./run_tests.py", line 664, in process_response
    response = get_json_from_response(config.daemon_under_test, config.verbose_level, json_file, result, test_number, config.exit_on_fail)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/erigon/rpc-tests/integration/./run_tests.py", line 481, in get_json_from_response
    print(msg + " :[" + result + "]")
          ~~~~~~~~~~~~^~~~~~~~
TypeError: can only concatenate str (not "dict") to str