```ruby
# Delete old logs automatically when the server or console are started. For the
# test environment, this is done in a before(:suite) hook.
if Rails.env.development? && ENV.fetch('AUTO_CLEAR_LOGS', false)
  `rake log:clear LOG=development`
end
```

Fix bug - Env.fetch returns a string
user
```ruby
# Delete old logs automatically when the server or console are started. For the
# test environment, this is done in a before(:suite) hook.
if Rails.env.development? && (ENV.fetch('AUTO_CLEAR_LOGS', 'false') == 'true')
  `rake log:clear LOG=development`
end
```
assistant