eliminated naming clash with Sorcery

app/policies/admin_or_author_policy.rb

@@ -1,6 +1,6 @@
 class AdminOrAuthorPolicy < ApplicationPolicy
   [:create?, :index?, :new?].each do |action|
-    define_method(action) { @user.internal? }
+    define_method(action) { @user.internal_user? }
   end
 
   [:destroy?, :edit?, :show?, :update?].each do |action|

app/policies/exercise_policy.rb

@@ -21,7 +21,7 @@ class ExercisePolicy < AdminOrAuthorPolicy
     def resolve
       if @user.admin?
         @scope.all
-      elsif @user.internal?
+      elsif @user.internal_user?
         @scope.where("user_id = #{@user.id} OR public = TRUE OR (team_id IS NOT NULL AND team_id IN (SELECT t.id FROM teams t JOIN internal_users_teams iut ON t.id = iut.team_id WHERE iut.internal_user_id = #{@user.id}))")
       else
         @scope.none

app/policies/team_policy.rb

@@ -1,6 +1,6 @@
 class TeamPolicy < ApplicationPolicy
   [:create?, :index?, :new?].each do |action|
-    define_method(action) { @user.internal? }
+    define_method(action) { @user.internal_user? }
   end
 
   [:destroy?, :edit?, :show?, :update?].each do |action|