Double-sided PCB - unable to create alignment holes file.

[Sebastian Szafran]

Providing correct settings/coordinates in the Double PCB Tool returns error when trying to generate the alignment holes file. Mirroring the Bottom layer works OK according to preview, but the 'alignment holes' file cannot be created.

~/FlatCAM-8.3$ [ERROR][MainThread] Could not evaluate: (0.4903, 2.8284)(5.2000, 2.9662) Traceback (most recent call last): File “/home/sszafran/FlatCAM-8.3/FlatCAMTool.py”, line 141, in oncreatealignment_holes for hole in holes: TypeError: ‘NoneType’ object is not iterable

Problem observed on FlatCAM 8.3 installed on Ubuntu 14.04 and then the same issue observed on FlatCAM 8.3 installed on Windows 7.

[Sebastian Szafran]

It was my mistake in using the Double side PCB tool, not the bug.