wafels/eitwave — comment on commit 5b60014ea3b1d9be1ec69267eff026c867d7d131
File: test_hough_detect.py line 129
By ayshih:

This assignment statement does not copy, so you end up zeroing out wave_maps. It's probably a good idea to explicitly call the copy constructor:

import sunpy
invTransform = sunpy.map.BaseMap(wave_maps[i+1])