changeset templater: convert some unnecessary yields to returns

mercurial/cmdutil.py

@@ -426,10 +426,10 b' class changeset_templater(changeset_prin'
         def showbranches(**args):
             branch = changes[5].get("branch")
             if branch:
-                yield showlist('branch', [branch], plural='branches', **args)
+                return showlist('branch', [branch], plural='branches', **args)
             # add old style branches if requested
             if brinfo and changenode in brinfo:
-                yield showlist('branch', brinfo[changenode],
+                return showlist('branch', brinfo[changenode],
                                plural='branches', **args)
 
         def showparents(**args):
@@ -471,7 +471,7 b' class changeset_templater(changeset_prin'
                 return self.t('manifest', **args)
         else:
             def showfiles(**args):
-                yield showlist('file', changes[3], **args)
+                return showlist('file', changes[3], **args)
             showadds = ''
             showdels = ''
             showmanifest = ''