New issue 1775: imp.lock_held isn't quite right https://bitbucket.org/pypy/pypy/issue/1775/implock_held-isnt-quite-right eevee: PyPy's `lock_held()` returns whether the lock is held by the current thread: https://bitbucket.org/pypy/pypy/src/6e9376d22e0ecc83bfcdda81d0e37e695b435dd7... But CPython returns whether the lock is held _at all_: http://hg.python.org/cpython/file/3a1db0d2747e/Python/import.c#l348