Print messages about imports used when modules are turned off

autoload/ale/handlers/eslint.vim

@@ -53,6 +53,7 @@ function! ale#handlers#eslint#Handle(buffer, lines) abort
     let l:config_error_pattern = '\v^ESLint couldn''t find a configuration file'
     \   . '|^Cannot read config file'
     \   . '|^.*Configuration for rule .* is invalid'
+    \   . '|^ImportDeclaration should appear'
 
     " Look for a message in the first few lines which indicates that
     " a configuration file couldn't be found.