error in invoicex-gui

[rachhitgarg]

ERROR: Could not find a version that satisfies the requirement sip<4.20,>=4.19.4 (from PyQt5==5.10.1->invoicex-gui) (from versions: 5.0.0, 5.0.1, 5.1.0, 5.1.1, 5.1.2, 5.2.0, 5.3.0)
ERROR: No matching distribution found for sip<4.20,>=4.19.4 (from PyQt5==5.10.1->invoicex-gui)

[rachhitgarg]

Tried on both Windows/Ubuntu but error still exists

[m3nu]

@duskybomb may be able to update this. Qt 5.10 is rather outdated now.

Else we should archive this repo.