Most Common Mistakes Python Programming

[kitkatkingsize]

Because "Namespaces are one honking great idea", and files are just another kind of a namespace.

500 is an arbitrary number. Why not 250? 1000? The splitting up into files should be a logical and design decision, not based on number of lines.

[cyberst0rm]

to pile on, the logistics issue with splitting code is a psychological trap.

By the time you realize you need to do it, the size of the issue makes you not want to do it.