Tabs are more likely to be destroyed than spaces. Simply displaying a file in a character-based terminal shreds tabs. Spaces are fine. It's true there are to

Tabs are more likely to be destroyed than spaces. Simply displaying a file in a character-based terminal shreds tabs. Spaces are fine. It's true there are tools, especially on the web, that eliminate whitespace and if you rely on those tools using python is going to be a problem. But generally it's pretty obvious whether that's going to be an issue. Tab problems tend to sneak up when you least expect it.