Import “flask” could not be resolved from source Pylance (reportMissingModuleSource)

When I did not install the module “flask” in the Python environment currently used in VSCode:

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Please use the command “pip --version” to check the source of the module installation tool “pip”, the module is installed at this location:

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Then, we can use the command “pip show flask” to check the installation location of the module “flask”: (It checks whether the installation location of the module is consistent with the Python environment displayed in the lower left corner of VSCode.)

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If the “reportMissingModuleSource” message is still displayed here, please reload VS Code.

(F1, Developer: Reload Window)

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