Change indentation to 4 spaces?

[albertz]

This was basically decided now for returnn-common: rwth-i6/returnn_common#208

It probably also makes sense here.

Or are there any good arguments not to do this?

[albertz]

@JackTemaki @christophmluscher @curufinwe @michelwi @mmz33 opinions?

[JackTemaki]

Sounds good! Would be more standard, and then one less RETURNN specific setting in PyCharm compared to other projects.

[mmz33]

I would also vote for 4 spaces indent.

[michelwi]

I don't have a strong opinion, but would vote for consistency to other projects. -> 4 spaces.

[christophmluscher]

I also support 4 spaces

[braddockcg]

4 spaces, definitely.