Revert.  Rely on _is_owned() and borrow is_owned definition from threading.Condition if it's not defined in the lock.
Revert.  Rely on _is_owned()
and borrow is_owned definition from threading.Condition
if it's not defined in the lock.

numba/numba,seibert/numba,jriehl/numba,stonebig/numba,stonebig/numba,seibert/numba,stuartarchibald/numba,IntelLabs/numba,numba/numba,gmarkall/numba,stuartarchibald/numba,cpcloud/numba,cpcloud/numba,gmarkall/numba,seibert/numba,IntelLabs/numba,numba/numba,stuartarchibald/numba,gmarkall/numba,gmarkall/numba,sklam/numba,cpcloud/numba,gmarkall/numba,IntelLabs/numba,numba/numba,jriehl/numba,numba/numba,IntelLabs/numba,cpcloud/numba,sklam/numba,jriehl/numba,seibert/numba,stuartarchibald/numba,stonebig/numba,jriehl/numba,IntelLabs/numba,sklam/numba,sklam/numba,stuartarchibald/numba,stonebig/numba,stonebig/numba,sklam/numba,cpcloud/numba,jriehl/numba,seibert/numba