On PyPy adding __del__ to a class after it's constructed does not work, instead implement the leakchecker in tests by using weakrefs, which works everywhere. Change-Id: I873efb3e2f85f731d5836bf9bf06a21e939e8542
On PyPy adding __del__ to a class after it's constructed does not work, instead implement the leakchecker in tests by using weakrefs, which works everywhere. Change-Id: I873efb3e2f85f731d5836bf9bf06a21e939e8542