Avoid Hash#transform_values. Fixes #63

lib/telegram/bot/config_methods.rb

@@ -1,5 +1,4 @@
 require 'active_support/core_ext/hash/keys'
-require 'active_support/core_ext/hash/transform_values'
 require 'active_support/core_ext/hash/indifferent_access'
 
 module Telegram
@@ -43,7 +42,7 @@ module Telegram
 
       # Hash of botan clients made from #bots.
       def botans
-        @botans ||= bots.transform_values(&:botan)
+        @botans ||= bots.map { |k, v| [k, v.botan] }.to_h
       end
 
       # Returns config for .bots method. By default uses `telegram['bots']` section

lib/telegram/bot/updates_controller/rspec_helpers.rb

@@ -35,7 +35,7 @@ RSpec.shared_context 'telegram/bot/updates_controller' do
   def deep_stringify(input)
     case input
     when Array then input.map(&method(__callee__))
-    when Hash then input.transform_keys(&:to_s).transform_values(&method(__callee__))
+    when Hash then input.map { |k, v| [k.to_s, deep_stringify(v)] }.to_h
     else input
     end
   end