chefstyle: fix Lint/StringConversionInInterpolation

useless use of `"#{foo.to_s}"`

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/chef/cookbook_loader.rb b/lib/chef/cookbook_loader.rb
index 79005b1569..e783405b9b 100644
--- a/lib/chef/cookbook_loader.rb
+++ b/lib/chef/cookbook_loader.rb
@@ -106,7 +106,7 @@ class Chef
       if @cookbooks_by_name.has_key?(cookbook.to_sym) or load_cookbook(cookbook.to_sym)
         @cookbooks_by_name[cookbook.to_sym]
       else
-        raise Exceptions::CookbookNotFoundInRepo, "Cannot find a cookbook named #{cookbook.to_s}; did you forget to add metadata to a cookbook? (https://docs.chef.io/config_rb_metadata.html)"
+        raise Exceptions::CookbookNotFoundInRepo, "Cannot find a cookbook named #{cookbook}; did you forget to add metadata to a cookbook? (https://docs.chef.io/config_rb_metadata.html)"
       end
     end