Update

autoload/requirements/utils.vim

@@ -0,0 +1,15 @@
+if polyglot#init#is_disabled(expand('<sfile>:p'), 'requirements', 'autoload/requirements/utils.vim')
+  finish
+endif
+
+""
+" @section Configuration, config
+
+function! s:Flag(name, default) abort
+    let l:scope = get(split(a:name, ':'), 0, 'g:')
+    let l:name = get(split(a:name, ':'), -1)
+    let {l:scope}:{l:name} = get({l:scope}:, l:name, a:default)
+endfunction
+
+let g:requirements#utils#plugin = {'Flag': funcref('s:Flag')}
+" vim: et sw=4 ts=4 sts=4: