import logging, OptionParser
import random as pyrandom
if __name__ == "__main__":
sys.path.append(".")
from simtoolkit.tree import tree
from simtoolkit.database import db
from simtoolkit.methods import methods
else:
from .tree import tree
from .database import db
from .methods import methods
class STK:
def __init__():
self.mth = None