Thanks a ton this is a very useful tool 🙏

[ghost]

I have known this tool existed for a while but it is really awesome!
using it it really shows how slow is using immutable bytes type in this function here
https://github.com/iyadahmed/pypsd/blob/master/pypsd/layer_mask_info_reader/channel_data.py

[ghost]

Switching to a list sped up things by a good bit thanks to line-profiler and cProfile/SnakeViz (line-profiler more as it shows where exactly the slowness is :))
https://github.com/iyadahmed/pypsd/commit/8e2feae2d06f78e64830d1862ddf0aba216b12a4