diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e03f4b6a..80ebea22 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -3,7 +3,7 @@ repos:
     rev: 24.8.0
     hooks:
     - id: black
-      language_version: python3.12
+      language_version: python3
 -   repo: https://github.com/adamchainz/blacken-docs
     rev: 1.16.0
     hooks:
diff --git a/src/ridepy/fleet_state.py b/src/ridepy/fleet_state.py
index 4bee9294..0dab85e6 100644
--- a/src/ridepy/fleet_state.py
+++ b/src/ridepy/fleet_state.py
@@ -7,7 +7,7 @@
 import operator as op
 
 import numpy as np
-import random
+
 
 from abc import ABC, abstractmethod
 from typing import (
@@ -413,7 +413,6 @@ def _apply_request_solution(
             Modifies the `.VehicleState` of the vehicle with the least cost inplace.
 
         """
-        all_solutions = list(all_solutions)
         (
             best_vehicle,
             min_cost,
@@ -424,23 +423,6 @@ def _apply_request_solution(
                 delivery_timewindow_max,
             ),
         ) = min(all_solutions, key=op.itemgetter(1))
-        all_solutions_equal_min_costs = list(
-            filter(lambda x: x[1] == min_cost, all_solutions)
-        )
-
-        (
-            best_vehicle,
-            min_cost,
-            (
-                pickup_timewindow_min,
-                pickup_timewindow_max,
-                delivery_timewindow_min,
-                delivery_timewindow_max,
-            ),
-        ) = random.choice(all_solutions_equal_min_costs)
-
-        # test = list(self.fleet[0].stoplist)
-        # test1 = list(self.fleet[1].stoplist)
         logger.debug(f"best vehicle: {best_vehicle}, at min_cost={min_cost}")
         if min_cost == np.inf:  # no solution was found
             return {
diff --git a/src/ridepy/util/dispatchers_cython/dispatchers.pyx b/src/ridepy/util/dispatchers_cython/dispatchers.pyx
index a19502d2..ccef9b5b 100644
--- a/src/ridepy/util/dispatchers_cython/dispatchers.pyx
+++ b/src/ridepy/util/dispatchers_cython/dispatchers.pyx
@@ -47,7 +47,7 @@ cdef class MinimalPassengerTravelTimeDispatcher(Dispatcher):
                 )
         elif loc_type == LocType.INT:
             self.u_dispatcher.dispatcher_int_ptr = (
-                new CMinimalPassengerTravelTimeDispatcher[int]()
+                new CMinimalPassengerTravelTimeDispatcher[uiloc]()
             )
         else:
             raise ValueError("This line should never have been reached")
diff --git a/src/ridepy/util/testing_utils_cython/dispatchers.pyx b/src/ridepy/util/testing_utils_cython/dispatchers.pyx
index f6dd0062..d2b80ee2 100644
--- a/src/ridepy/util/testing_utils_cython/dispatchers.pyx
+++ b/src/ridepy/util/testing_utils_cython/dispatchers.pyx
@@ -101,7 +101,7 @@ cdef class MinimalPassengerTravelTimeDispatcher:
             bint debug=False
     ):
         cdef InsertionResult[R2loc] insertion_result_r2loc
-        cdef InsertionResult[int] insertion_result_int
+        cdef InsertionResult[uiloc] insertion_result_int
 
         if self.loc_type == LocType.R2LOC:
             insertion_result_r2loc = c_minimal_passenger_travel_time_dispatcher[R2loc](
@@ -113,8 +113,8 @@ cdef class MinimalPassengerTravelTimeDispatcher:
                    (insertion_result_r2loc.EAST_pu, insertion_result_r2loc.LAST_pu,
                     insertion_result_r2loc.EAST_do, insertion_result_r2loc.LAST_do)
         elif self.loc_type == LocType.INT:
-            insertion_result_int = c_minimal_passenger_travel_time_dispatcher[int](
-                dynamic_pointer_cast[CTransportationRequest[int], CRequest[int]](cy_request._ureq._req_int),
+            insertion_result_int = c_minimal_passenger_travel_time_dispatcher[uiloc](
+                dynamic_pointer_cast[CTransportationRequest[uiloc], CRequest[uiloc]](cy_request._ureq._req_int),
                 stoplist.ustoplist._stoplist_int,
                 dereference(space.u_space.space_int_ptr), seat_capacity, debug
             )