[cmd] python3 backtester_dual_long_short_mtm.py --cfg /var/www/vps2.happyuser.info/top/top_1/UI/data/runs/179a7c01-fa71-4555-946d-e2c29aa0bf4c/cfg_merged.yaml --limit-bars 500
Traceback (most recent call last):
  File "backtester_dual_long_short_mtm.py", line 423, in <module>
    main()
  File "backtester_dual_long_short_mtm.py", line 251, in main
    raise KeyError('cfg must include cache_db or cache_db_path (or pass --cache_db)')
KeyError: 'cfg must include cache_db or cache_db_path (or pass --cache_db)'