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When I edit an imported module and reimport it, the changes don’t show up. Why does this happen?

April 26, 2017changes don’t edit imported module reimport

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When I edit an imported module and reimport it, the changes don’t show up. Why does this happen?

1 Answer

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For reasons of efficiency as well as consistency, Python only reads the module file on the first time a module is imported. If it didn’t, in a program consisting of many modules where each one imports the same basic module, the basic module would be parsed and re-parsed many times.