Set data pointer to NULL after an error; this keeps the mmap_dealloc() function from trying to do msync(-1);munmap(-1). 2.3 bugfix candidate, but this bug isn't critical enough that the fix has to go into 2.3.4
Set data pointer to NULL after an error; this keeps the mmap_dealloc() function from trying to do msync(-1);munmap(-1).
2.3 bugfix candidate, but this bug isn't critical enough that the fix has to go into 2.3.4

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator