Improve syntax
@@ -118,7 +118,7 @@ def parse_editable(editable_req):
link = Link(url)
if not link.is_vcs:
- backends = ", ".join([backend.name + '+' for backend in vcs.backends])
+ backends = ", ".join(f"{backend.name}+" for backend in vcs.backends)
raise InstallationError(
f'{editable_req} is not a valid editable requirement. '
f'It should either be a path to a local project or a VCS URL '
