diff --git a/src/Graph/edge.py b/src/Graph/edge.py
index f3f55ba..f38f452 100644
--- a/src/Graph/edge.py
+++ b/src/Graph/edge.py
@@ -1,9 +1,8 @@
 """A Edge class to config the Edge in Graph"""
+from tkinter import *
 from typing import TYPE_CHECKING
 
 from ttkbootstrap import *
-from tkinter import *
-
 
 if TYPE_CHECKING:
     from frame_graph import FrameGraph
diff --git a/src/Graph/frame_graph.py b/src/Graph/frame_graph.py
index da50725..7e11f04 100644
--- a/src/Graph/frame_graph.py
+++ b/src/Graph/frame_graph.py
@@ -1,8 +1,8 @@
 """Frame contains Graph to visualize the algorithm"""
-from ttkbootstrap import *
+from tkinter import *
 from typing import TYPE_CHECKING
 
-from tkinter import *
+from ttkbootstrap import *
 
 from .edge import Edge
 from .node import Node
diff --git a/src/Graph/node.py b/src/Graph/node.py
index 94b5d87..e130392 100644
--- a/src/Graph/node.py
+++ b/src/Graph/node.py
@@ -1,9 +1,8 @@
 """A Node class to config the node in Graph"""
+from tkinter import *
 from typing import TYPE_CHECKING
 
 from ttkbootstrap import *
-from tkinter import *
-
 
 if TYPE_CHECKING:
     from .frame_graph import FrameGraph
diff --git a/src/Graph/window.py b/src/Graph/window.py
index 939b70e..e89b334 100644
--- a/src/Graph/window.py
+++ b/src/Graph/window.py
@@ -1,12 +1,11 @@
 """The Window shows Application"""
-from ttkbootstrap import *
 from tkinter import *
 
+from ttkbootstrap import *
 
+from ..utils import HEIGHT_WINDOW, WIDTH_WINDOW
 from .frame_graph import FrameGraph
 
-from ..utils import WIDTH_WINDOW, HEIGHT_WINDOW
-
 
 class CWindow(Window):
     """The window class inherits from tb.Window"""
diff --git a/src/Q_Learning/__init__.py b/src/Q_Learning/__init__.py
index b33ca70..5e8de4b 100644
--- a/src/Q_Learning/__init__.py
+++ b/src/Q_Learning/__init__.py
@@ -1,4 +1,4 @@
 """Modules"""
-from .q_learning_networkx import GraphNetworkX,GraphNetworkXForQLearning
+from .q_learning_networkx import GraphNetworkX, GraphNetworkXForQLearning
 
-__all__ :list[str] = ["GraphNetworkX","GraphNetworkXForQLearning"]
\ No newline at end of file
+__all__: list[str] = ["GraphNetworkX", "GraphNetworkXForQLearning"]
diff --git a/src/__init__.py b/src/__init__.py
index 11e50d9..b68dc94 100644
--- a/src/__init__.py
+++ b/src/__init__.py
@@ -1,7 +1,8 @@
 """Modules"""
 from .Graph import CWindow, Edge, FrameGraph, Node
-from .Q_Learning import GraphNetworkX,GraphNetworkXForQLearning
-from .utils import coordinate_list_random, coordinate_random,WIDTH_WINDOW,HEIGHT_WINDOW,DEFAULT_EDGES_NETWORKX
+from .Q_Learning import GraphNetworkX, GraphNetworkXForQLearning
+from .utils import (DEFAULT_EDGES_NETWORKX, HEIGHT_WINDOW, WIDTH_WINDOW,
+                    coordinate_list_random, coordinate_random)
 
 __all__: list[str] = ["Edge", "FrameGraph", "Node",
-                      "CWindow", "coordinate_random", "coordinate_list_random","GraphNetworkX","GraphNetworkXForQLearning","WIDTH_WINDOW","HEIGHT_WINDOW","DEFAULT_EDGES_NETWORKX"]
+                      "CWindow", "coordinate_random", "coordinate_list_random", "GraphNetworkX", "GraphNetworkXForQLearning", "WIDTH_WINDOW", "HEIGHT_WINDOW", "DEFAULT_EDGES_NETWORKX"]
diff --git a/src/utils/__init__.py b/src/utils/__init__.py
index c627319..0279fd8 100644
--- a/src/utils/__init__.py
+++ b/src/utils/__init__.py
@@ -1,6 +1,6 @@
 """Modules"""
+from .constants import DEFAULT_EDGES_NETWORKX, HEIGHT_WINDOW, WIDTH_WINDOW
 from .coordinate import coordinate_list_random, coordinate_random
-from .constants import WIDTH_WINDOW,HEIGHT_WINDOW,DEFAULT_EDGES_NETWORKX
-
-__all__: list[str] = ["coordinate_random", "coordinate_list_random","WIDTH_WINDOW","HEIGHT_WINDOW","DEFAULT_EDGES_NETWORKX"]
 
+__all__: list[str] = ["coordinate_random", "coordinate_list_random",
+                      "WIDTH_WINDOW", "HEIGHT_WINDOW", "DEFAULT_EDGES_NETWORKX"]