Fix ValueError traceback for URL without alias or URI scheme
Description
Previously URL was split into two distinct items by :, this caused issues when : was not present in the string.
This went unnoticed due to the majority of cases using a URI scheme (http://) or alias gitlab:.
Modify logic to avoid alias, _ = ...
This merge request, when approved, will close issue/bug: #597 (closed)
Edited by Qinusty