Fixed fetching of a property defined but not initialized in C extension, fixed #1337
bug #1338 Fixed fetching of a property defined but not initialized in C extension (tucksaun)

This PR was merged into the 1.15-dev branch.

Discussion
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Fixed fetching of a property defined but not initialized in C extension

This PR fixed #1337

Commits
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6e800d8 Fixed fetching of a property defined but not initialized in C extension, fixed #1337