- fails to find PyQt5 with the line as given

--- requirements-gui.txt.orig	2021-03-13 22:03:33 UTC
+++ requirements-gui.txt
@@ -1,7 +1,7 @@
 orange-canvas-core>=0.1.19,<0.2a
 orange-widget-base>=4.12.0
 
-PyQt5>=5.12,!=5.15.1  # 5.15.1 skipped because of QTBUG-87057 - affects select columns
+#PyQt5>=5.12,!=5.15.1  # 5.15.1 skipped because of QTBUG-87057 - affects select columns
 PyQtWebEngine>=5.12
 AnyQt>=0.0.11