diff --git a/sampo/scheduler/genetic/operators.py b/sampo/scheduler/genetic/operators.py
index ef87070d..74884db8 100644
--- a/sampo/scheduler/genetic/operators.py
+++ b/sampo/scheduler/genetic/operators.py
@@ -4,6 +4,7 @@
 from copy import deepcopy
 from enum import Enum
 from operator import attrgetter
+from typing import Iterable, Callable
 from typing import Iterable
 
 import numpy as np
diff --git a/sampo/scheduler/timeline/just_in_time_timeline.py b/sampo/scheduler/timeline/just_in_time_timeline.py
index 5cfee740..5ec1c1bc 100644
--- a/sampo/scheduler/timeline/just_in_time_timeline.py
+++ b/sampo/scheduler/timeline/just_in_time_timeline.py
@@ -113,10 +113,6 @@ def find_min_start_time_with_additional(self, node: GraphNode,
 
         c_st = max(c_st, max_material_time, max_zone_time)
 
-        # max_zone_time_new = self.zone_timeline.find_min_start_time(node.work_unit.zone_reqs, c_st, exec_time)
-        # if max_zone_time_new != c_st:
-        #     print('ERROR!!!')
-
         c_ft = c_st + exec_time
         return c_st, c_ft, None
 
@@ -305,9 +301,6 @@ def _schedule_with_inseparables(self,
             c_ft = new_finish_time
 
         zones = [zone_req.to_zone() for zone_req in node.work_unit.zone_reqs]
-        # zone_st = self.zone_timeline.find_min_start_time(node.work_unit.zone_reqs, start_time, c_ft - start_time)
-        # if zone_st != start_time:
-        #     raise AssertionError(f'The Very Big Problems; start time: {start_time}, zone time: {zone_st}, exec_time: {c_ft - start_time}')
         self.update_timeline(c_ft, c_ft - start_time, node, workers, spec)
         node2swork[node].zones_pre = self.zone_timeline.update_timeline(len(node2swork), zones, start_time,
                                                                         c_ft - start_time)
diff --git a/tests/scheduler/genetic/converter_test.py b/tests/scheduler/genetic/converter_test.py
index 5c19cf5d..6eb4e06c 100644
--- a/tests/scheduler/genetic/converter_test.py
+++ b/tests/scheduler/genetic/converter_test.py
@@ -28,38 +28,34 @@ def test_convert_chromosome_to_schedule(setup_toolbox):
 
     assert not schedule.execution_time.is_inf()
 
-    try:
-        validate_schedule(schedule, setup_wg, setup_contractors)
-    except:
-        print()
-
-
-# TODO Now not passing, will be fixed in next update
-# def test_converter_with_borders_contractor_accounting(setup_toolbox):
-#     tb, _, setup_wg, setup_contractors, _, setup_landscape_many_holders = setup_toolbox
-#
-#     chromosome = tb.generate_chromosome(landscape=setup_landscape_many_holders)
-#
-#     for contractor_index in range(len(chromosome[2])):
-#         for resource_index in range(len(chromosome[2][contractor_index])):
-#             chromosome[1][:, resource_index] = chromosome[1][:, resource_index] / 2
-#             chromosome[2][contractor_index, resource_index] = max(chromosome[1][:, resource_index])
-#
-#     schedule, _, _, _ = tb.chromosome_to_schedule(chromosome, landscape=setup_landscape_many_holders)
-#     workers = list(setup_contractors[0].workers.keys())
-#
-#     contractors = []
-#     for i in range(len(chromosome[2])):
-#         contractors.append(Contractor(id=setup_contractors[i].id,
-#                                       name=setup_contractors[i].name,
-#                                       workers={
-#                                           name: Worker(str(uuid4()), name, count, contractor_id=setup_contractors[i].id)
-#                                           for name, count in zip(workers, chromosome[2][i])},
-#                                       equipments={}))
-#
-#     schedule = Schedule.from_scheduled_works(schedule.values(), setup_wg)
-#
-#     validate_schedule(schedule, setup_wg, contractors)
+    validate_schedule(schedule, setup_wg, setup_contractors)
+
+
+def test_converter_with_borders_contractor_accounting(setup_toolbox):
+    tb, _, setup_wg, setup_contractors, _, setup_landscape_many_holders = setup_toolbox
+
+    chromosome = tb.generate_chromosome(landscape=setup_landscape_many_holders)
+
+    for contractor_index in range(len(chromosome[2])):
+        for resource_index in range(len(chromosome[2][contractor_index])):
+            chromosome[1][:, resource_index] = chromosome[1][:, resource_index] / 2
+            chromosome[2][contractor_index, resource_index] = max(chromosome[1][:, resource_index])
+
+    schedule, _, _, _ = tb.chromosome_to_schedule(chromosome, landscape=setup_landscape_many_holders)
+    workers = list(setup_contractors[0].workers.keys())
+
+    contractors = []
+    for i in range(len(chromosome[2])):
+        contractors.append(Contractor(id=setup_contractors[i].id,
+                                      name=setup_contractors[i].name,
+                                      workers={
+                                          name: Worker(str(uuid4()), name, count, contractor_id=setup_contractors[i].id)
+                                          for name, count in zip(workers, chromosome[2][i])},
+                                      equipments={}))
+
+    schedule = Schedule.from_scheduled_works(schedule.values(), setup_wg)
+
+    validate_schedule(schedule, setup_wg, contractors)
 
 
 def test_converter_with_borders_update(setup_toolbox):