[hooks] Remove list() around repo.sources_by_uri

There's no need to convert it as a list anymore since sources_by_uri is a
property and will not be modified.

--HG--
branch : 3.25

cubicweb/hooks/__init__.py

@@ -56,7 +56,7 @@ class UpdateFeedsStartupHook(hook.Hook):
         def update_feeds(repo):
             # take a list to avoid iterating on a dictionary whose size may
             # change
-            for uri, source in list(repo.sources_by_uri.items()):
+            for uri, source in repo.sources_by_uri.items():
                 if (uri == 'system'
                     or not repo.config.source_enabled(source)
                     or not source.config['synchronize']):

cubicweb/server/serverctl.py

@@ -1063,7 +1063,7 @@ class SynchronizeSourceCommand(Command):
                     else:
                         sources.append(source)
             else:
-                for uri, source in list(repo.sources_by_uri.items()):
+                for uri, source in repo.sources_by_uri.items():
                     if (uri != 'system' and
                             repo.config.source_enabled(source) and
                             source.config['synchronize']):