def get_effective_router(appname):
    "return a private copy of the effective router for the specified application"
    if not routers or routers not in appname:
        return None
    return Storage(routers[appname])  # return a copy
dataset/ETHPy150Open uwdata/termite-visualizations/web2py/gluon/rewrite.py/get_effective_router/swapped operands of `not in`