Lint/NumberConversion suggests 30.minutes.to_i be turned into Integer(30.minutes, 10), which is invalid

[krainboltgreene]

app/controllers/concerns/signed.rb:22:19: W: Lint/NumberConversion: Replace unsafe number conversion with number class parsing, instead of using 30.minutes.to_i, use stricter Integer(30.minutes, 10).
      expires_in: 30.minutes.to_i,
                  ^^^^^^^^^^^^^^^

[1] pry(main)> Integer(30.minutes, 10)
ArgumentError: base specified for non string value
from (pry):1:in `Integer'

$ [bundle exec] rubocop -V
1.0.0 (using Parser 2.7.2.0, rubocop-ast 1.0.0, running on ruby 2.6.6 x86_64-darwin19)

[krainboltgreene]

Gracias, @bbatsov