plugins/fastlane-plugin-android_cd/lib/fastlane/plugin/android_cd/actions/build_and_deploy.rb

@@ -1,13 +1,19 @@
 require 'fastlane/action'
 require_relative '../helper/android_cd_helper'
 
+def is_set variable
+  str_variable = variable
+  str_variable = variable.strip if variable.class.to_s == "String"
+  variable && !(str_variable.nil? || str_variable.empty?)
+end
+
 module Fastlane
   module Actions
     class AndroidCdAction < Action
       def self.run(params)
         
         # Check parameters
-        unless Helper::AndroidCdHelper.is_set(params[:beta_type])
+        unless is_set(params[:beta_type])
           UI.error("Parameters beta_type cannot be null")
           puts "Error on beta type parameter"
         end

plugins/fastlane-plugin-android_cd/lib/fastlane/plugin/android_cd/helper/android_cd_helper.rb

@@ -21,12 +21,6 @@ module Fastlane
           puts "Erreur lors de la décompression du fichier GPG"
         end
       end
-
-      def self.is_set variable
-        str_variable = variable
-        str_variable = variable.strip if variable.class.to_s == "String"
-        variable && !(str_variable.nil? || str_variable.empty?)
-      end
     end
   end
 end