The Long March 2F carrying the uncrewed Shenzhou-22 spacecraft climbs into a blue sky above Jiuquan spaceport, Nov. 25, 2025. Credit: CASC HELSINKI — China’s secretive spaceplane has released an ...
backon is a modern evolution of backoff — a zero-dependency Python library for retry with exponential backoff. It provides decorator, functional, and context manager APIs for both sync and async code.
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