Changes in import statement python3

Question

I don\'t understand the following from pep-0404

In Python 3, implicit relative imports within packages are no longer available - only absolute impor

Answer 1

Added another case to Michał Górny's answer:

Note that relative imports are based on the name of the current module. Since the name of the main module is always "__main__", modules intended for use as the main module of a Python application must always use absolute imports.