@classmethod
  def _clear_resolvers(cls):
    cls._resolver_by_type.clear()
Deletes on concurrent transactions don't collide and lock the database. Regression for #9479
dataset/ETHPy150Open pantsbuild/pants/contrib/node/src/python/pants/contrib/node/tasks/node_resolve.py/NodeResolve._clear_resolvers--crossover with--dataset/ETHPy150Open adieu/django-nonrel/tests/regressiontests/delete_regress/tests.py/DeleteLockingTest.test_concurrent_delete