diff --git a/app/helpers/problem_helper.py b/app/helpers/problem_helper.py
new file mode 100644
index 0000000..27f5629
--- /dev/null
+++ b/app/helpers/problem_helper.py
@@ -0,0 +1,23 @@
+from typing import Tuple
+
+from models.item import Item
+
+def sanctify(solved_items: [Item]) -> Tuple[list]:
+    sacred_ids = []
+    enemy_ids = []
+
+    # get all enemies
+    for item in solved_items:
+        # if it has enemies, check if it exists as part of the solved items
+        for enemy_id in item.enemies:
+            # if it does, it's a true enemy
+            if enemy_id in (item.id for item in solved_items):
+                enemy_ids.append(enemy_id)
+                # remove enemy from solved items,
+                # lest it has this sacred item added to enemies
+                solved_items = [i for i in solved_items if i.id != enemy_id]
+
+        # the item is cleansed, now it's sacred
+        sacred_ids.append(item.id)
+
+    return sacred_ids, enemy_ids
\ No newline at end of file
diff --git a/app/models/problem.py b/app/models/problem.py
index 5ddd33a..8976c64 100644
--- a/app/models/problem.py
+++ b/app/models/problem.py
@@ -7,7 +7,9 @@ from pulp import LpProblem, LpVariable, LpStatus, lpSum
 
 import logging
 
-from helpers import service_helper, irt_helper
+from helpers.problem_helper import *
+
+from helpers import service_helper
 
 from models.solution import Solution
 from models.item import Item
@@ -59,29 +61,14 @@ class Problem(BaseModel):
                 # get items from solution
                 solved_items, _ = service_helper.solution_items(self.problem.variables(), solver_run)
 
-                sacred_ids = []
-                enemy_ids = []
-
-                # get all enemies
-                for item in solved_items:
-                    # if it has enemies, check if it exists as part of the solved items
-                    for enemy_id in item.enemies:
-                        # if it does, it's a true enemy
-                        if enemy_id in (item.id for item in solved_items):
-                            enemy_ids.append(enemy_id)
-                            # remove enemy from solved items,
-                            # lest it has this sacred item added to enemies
-                            solved_items = [i for i in solved_items if i.id != enemy_id]
-
-                    # the item is cleansed, now it's sacred
-                    sacred_ids.append(item.id)
+                sacred_ids, enemy_ids = sanctify(solved_items)
 
                 if enemy_ids:
                     logging.info('enemies found, adding constraints...')
 
                     # remove old enemy/sacred constraints
-                    self.problem.constrants.pop('Exclude_enemy_items')
-                    self.problem.constrants.pop('Include_sacred_items')
+                    self.problem.constraints.pop('Exclude_enemy_items')
+                    self.problem.constraints.pop('Include_sacred_items')
 
                     # add constraint to not allow enemy items
                     self.problem += lpSum([