no before_lt argument in get_traces method

[maloleg]

according to tonapi documentation there are one more argument that could be passed to the method - before_lt
but in the pytonapi it is absent

pytonapi/pytonapi/tonapi/methods/accounts.py

Line 318 in c41fd3b

params = {"limit": limit}

pytonapi/pytonapi/async_tonapi/methods/accounts.py

Line 318 in c41fd3b

params = {"limit": limit}