execute_init_commands bug on L446

[filipecosta90]

CRITICAL:root:Some unexpected exception was caught during remote work on test named bf_add_cap10M_err0.001. Failing test....
2022-07-24 08:11:56,612 CRITICAL Some unexpected exception was caught during remote work on test named bf_add_cap10M_err0.001. Failing test....
CRITICAL:root:<class 'TypeError'>
2022-07-24 08:11:56,612 CRITICAL <class 'TypeError'>
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Traceback (most recent call last):
  File "/usr/local/lib/python3.6/dist-packages/redisbench_admin/run_remote/run_remote.py", line 480, in run_remote_command_logic
    s3_bucket_path,
  File "/usr/local/lib/python3.6/dist-packages/redisbench_admin/run_remote/remote_db.py", line 347, in remote_db_spin
    benchmark_config, redis_conns[0], required_modules
  File "/usr/local/lib/python3.6/dist-packages/redisbench_admin/run/common.py", line 533, in run_redis_pre_steps
    execute_init_commands(benchmark_config, r)
  File "/usr/local/lib/python3.6/dist-packages/redisbench_admin/run/common.py", line 446, in execute_init_commands
    if "FT.CREATE" in cmd[cmd]:
TypeError: string indices must be integers
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