diff --git a/Dolphin scripts/Entrance Randomizer/lib/entrance_rando.py b/Dolphin scripts/Entrance Randomizer/lib/entrance_rando.py
index 3a2c70e..10a6f17 100644
--- a/Dolphin scripts/Entrance Randomizer/lib/entrance_rando.py	
+++ b/Dolphin scripts/Entrance Randomizer/lib/entrance_rando.py	
@@ -3,7 +3,7 @@
 import random
 from collections.abc import MutableSequence, Sequence
 from copy import copy
-from enum import IntEnum
+from enum import IntEnum, auto
 from itertools import starmap
 from typing import NamedTuple
 
@@ -13,24 +13,29 @@
 from lib.utils import follow_pointer_path, state
 
 
+class NoConnectionFoundError(Exception):
+    "Raised when the algorithm fails to find a valid connection to break open"
+    pass
+
+
 class Transition(NamedTuple):
     from_: int
     to: int
 
 
 class Choice(IntEnum):
-    CONNECT = 1
-    INBETWEEN = 2
+    CONNECT = auto()
+    INBETWEEN = auto()
 
 
 class BucketType(IntEnum):
-    ORIGIN = 1
-    REDIRECT = 2
+    ORIGIN = auto()
+    REDIRECT = auto()
 
 
 class Priority(IntEnum):
-    CLOSED = 1
-    OPEN = 2
+    CLOSED = auto()
+    OPEN = auto()
 
 
 one_way_exits = (
@@ -485,7 +490,7 @@ def find_and_break_open_connection(link_list: list[tuple[Transition, Transition]
             index = increment_index(index, len(link_list), direc)
             crash_counter += 1
             if crash_counter > len(link_list):
-                raise Exception("NO CONNECTION FOUND")
+                raise NoConnectionFoundError()
     delete_connection(link_list[index][0], link_list[index][1])
 
 
@@ -582,14 +587,12 @@ def set_transitions_map():  # noqa: PLR0915 # TODO: Break up in smaller function
             else:
                 try:
                     find_and_break_open_connection(link_list)
-                except Exception as e:
-                    if str(e) == "NO CONNECTION FOUND":
-                        print()
-                        print("ATTENTION ATTENTION: THE RANDOMIZER CRASHED!!!")
-                        print("Please notify a developer!")
-                        print()
-                        break
-                    raise
+                except NoConnectionFoundError:
+                    print(" ")
+                    print("ATTENTION ATTENTION: THE RANDOMIZER CRASHED!!!")
+                    print("Please notify a developer!")
+                    print(" ")
+                    break
                 continue
 
             index += 1
diff --git a/Dolphin scripts/Entrance Randomizer/lib/graph_creation.py b/Dolphin scripts/Entrance Randomizer/lib/graph_creation.py
index 3f0e315..440fc1e 100644
--- a/Dolphin scripts/Entrance Randomizer/lib/graph_creation.py	
+++ b/Dolphin scripts/Entrance Randomizer/lib/graph_creation.py	
@@ -2,7 +2,7 @@
 
 from collections.abc import Mapping, MutableMapping, Sequence
 from copy import copy
-from enum import IntEnum
+from enum import IntEnum, auto
 from pathlib import Path
 
 from lib.constants import *  # noqa: F403
@@ -12,13 +12,13 @@
 
 
 class Direction(IntEnum):
-    ONEWAY = 1
-    TWOWAY = 2
+    ONEWAY = auto()
+    TWOWAY = auto()
 
 
 class LineType(IntEnum):
-    SOLID = 1
-    DASHED = 2
+    SOLID = auto()
+    DASHED = auto()
 
 
 STARTING_AREA_COLOR = "#ff8000"  # Orange
@@ -44,6 +44,9 @@ class LineType(IntEnum):
     LevelCRC.GATES_OF_EL_DORADO,
 }
 
+UNRANDOMIZED_EDGE_COLOR = "#000000"  # Black
+CLOSED_DOOR_EDGE_COLOR = "#ff0000"  # Red
+
 
 def create_vertices(
     transitions_map: Mapping[tuple[int, int], tuple[int, int]],
@@ -76,7 +79,8 @@ def create_vertices(
         output_text += (
             f'<node positionX="{counter_x * 100 + counter_y * 20}" '
             + f'positionY="{counter_x * 50 + counter_y * 50}" '
-            + f'id="{int(area_id)}" mainText="{area_name}"'
+            + f'id="{int(area_id)}" '
+            + f'mainText="{area_name}"'
         )
         if area_id == starting_area:
             output_text += (
@@ -105,7 +109,7 @@ def create_vertices(
     return output_text
 
 
-def edge_text(
+def edge_component(
     start: int,
     end: int,
     counter: int,
@@ -113,12 +117,11 @@ def edge_text(
     color: str | None,
     line_type: LineType,
 ):
-    direct_str = "true"
-    if direct == Direction.TWOWAY:
-        direct_str = "false"
+    direct_str = str(direct == Direction.ONEWAY).lower()
     output = (
         f'<edge source="{transition_infos_dict_rando[start].area_id}" '
-        + f'target="{transition_infos_dict_rando[end].area_id}" isDirect="{direct_str}" '
+        + f'target="{transition_infos_dict_rando[end].area_id}" '
+        + f'isDirect="{direct_str}" '
         + f'id="{counter}"'
     )
     if line_type == LineType.DASHED or color is not None:
@@ -136,8 +139,8 @@ def edge_text(
 
 def create_edges(
     transitions_map: Mapping[tuple[int, int], tuple[int, int]],
-    temp_disabled_exits: list[tuple[int, int]],
-    closed_door_exits: list[tuple[int, int]],
+    temp_disabled_exits: Iterable[tuple[int, int]],
+    closed_door_exits: Container[tuple[int, int]],
 ):
     connections = list(transitions_map.items())
     connections_two_way: list[tuple[tuple[int, int], tuple[int, int]]] = []
@@ -163,26 +166,26 @@ def create_edges(
     counter = 1  # Can't start at 0 since that's the MAIN_MENU id
     for pairing in connections_two_way:
         if pairing[1] in temp_disabled_exits:
-            output_text += edge_text(
+            output_text += edge_component(
                 pairing[0][0], pairing[1][1],
-                counter, Direction.TWOWAY, "#000000", LineType.SOLID,
+                counter, Direction.TWOWAY, UNRANDOMIZED_EDGE_COLOR, LineType.SOLID,
             )
         else:
-            output_text += edge_text(
+            output_text += edge_component(
                 pairing[0][0], pairing[1][1],
                 counter, Direction.TWOWAY, None, LineType.SOLID,
             )
         counter += 1
     for pairing in connections_one_way:
-        output_text += edge_text(
+        output_text += edge_component(
             pairing[0][0], pairing[1][1],
             counter, Direction.ONEWAY, None, LineType.DASHED,
         )
         counter += 1
     for pairing in connections_closed_door:
-        output_text += edge_text(
+        output_text += edge_component(
             pairing[1][1], pairing[0][0],
-            counter, Direction.ONEWAY, "#ff0000", LineType.SOLID,
+            counter, Direction.ONEWAY, CLOSED_DOOR_EDGE_COLOR, LineType.SOLID,
         )
         counter += 1
     return output_text
@@ -191,7 +194,7 @@ def create_edges(
 def create_graphml(
     transitions_map: MutableMapping[tuple[int, int], tuple[int, int]],
     temp_disabled_exits: Sequence[tuple[int, int]],
-    closed_door_exits: list[tuple[int, int]],
+    closed_door_exits: Container[tuple[int, int]],
     seed_string: SeedType,
     starting_area: int,
 ):