rubocop -A

```
Inspecting 53 files
........................C............................

Offenses:

lib/generators/aws_record/base.rb:150:9: C: [Corrected] Style/HashEachMethods: Use each_key instead of each and remove the unused _rw_units block argument.
        options['table_config'].each do |config, _rw_units| ...
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

53 files inspected, 1 offense detected, 1 offense corrected

Tip: Based on detected gems, the following RuboCop extension libraries might be helpful:
  * rubocop-rails (https://rubygems.org/gems/rubocop-rails)

You can opt out of this message by adding the following to your config (see https://docs.rubocop.org/rubocop/extensions.html#extension-suggestions for more options):
  AllCops:
    SuggestExtensions: false
```

lib/generators/aws_record/base.rb

@@ -147,7 +147,7 @@ def parse_table_config!
           [idx.name, parse_rw_units(idx.name)]
         end.to_h
 
-        options['table_config'].each do |config, _rw_units|
+        options['table_config'].each_key do |config|
           next if config == 'primary'
 
           gsi = @gsis.select { |idx| idx.name == config }