Fix ValueError: Can redirect only to http or https #2972

Job	Run time
env	1s
changes	7s
gatekeeper	4s
documentation / build	47s
application_tester / run (windows-latest)	4m 45s
application_tester_draft / run (ubuntu-latest)	2m 57s
application_tester / run (macos-latest)	4m 22s
coverage_draft / generate and upload	4m 27s
guitest / run (ubuntu-latest)	1m 14s
guitest / run (macos-latest)	3m 9s
guitest_draft / run (windows-latest)	2m 4s
pytest / run (windows-latest)	5m 47s
mac / build	8m 17s
pytest / run (macos-latest)	7m 20s
scripttest_draft / run	1m 2s
windows / build	4m 20s
ubuntu / build	8m 16s
	58m 59s

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