@responder(pattern="^unset (?P<var>\S+)", form="unset <var>", help="Delete a context variable")
def unset(conversation, var):
    if var in conversation.context:
        del conversation.context[var]
    conversation.say("Ok.")
dataset/ETHPy150Open OrbitzWorldwide/droned/droned/lib/droned/responders/core.py/unset/original