def inverse(self, argindex=1):
        return cot
Removes obsolete entries from _outstanding_request_history.
dataset/ETHPy150Open sympy/sympy/sympy/functions/elementary/trigonometric.py/acot.inverse--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/tools/devappserver2/module.py/AutoScalingModule._trim_outstanding_request_history