[issue45353] sys.modules: dictionary changed size during iteration

New submission from Idan Cohen : Hi, When iterating over sys.modules it might be that because of lazy loading or that other module reload is being reloaded (even if sys.modules.copy() is being used) you will get: "RuntimeError: dictionary changed size during iteration" Th

[issue45353] sys.modules: dictionary changed size during iteration

Idan Cohen added the comment: An example can be found here: https://github.com/python/cpython/commit/7058d2d96c5ca4dfc6c754c5cd737c6eb2a8fd67 https://bugs.python.org/issue13487 Those links are about an issue that was until March 2020 with how sys.modules is iterated. It is not safe to