diff --git a/cls_mth_fc.py b/cls_mth_fc.py
index f3b9a73..3e2901e 100755
--- a/cls_mth_fc.py
+++ b/cls_mth_fc.py
@@ -1,16 +1,14 @@
 """ Wireguard Classes and Method for Wire-Py """
 
+import gettext
+import locale
 import os
 import shutil
 import subprocess
-import time
 import tkinter as tk
 import zipfile
-import gettext
-import locale
 from datetime import datetime
 from pathlib import Path
-from subprocess import check_call
 from tkinter import ttk
 import requests
 
@@ -27,12 +25,11 @@ path_to_file2 = Path('/etc/wire_py/settings.conf')
 _u = Path.read_text(Path('/tmp/_u'))
 
 
-
 class GiteaUpdate:
     @staticmethod
-    def api_down(UPDATE_API_URL):
+    def api_down(update_api_url):
         try:
-            response = requests.get(UPDATE_API_URL)
+            response = requests.get(update_api_url)
             response_dict = response.json()
             response_dict = response_dict[0]
             with open(path_to_file2, 'r') as set_file:
@@ -48,9 +45,9 @@ class GiteaUpdate:
             return 'No Internet Connection!'
 
     @staticmethod
-    def download(URLD):
+    def download(urld):
         try:
-            to_down = 'wget -qP ' + str(_u) + ' ' + URLD
+            to_down = 'wget -qP ' + str(_u) + ' ' + urld
             result = subprocess.call(to_down, shell=True)
             if result == 0:
                 shutil.chown(str(_u) + f'/{res}.zip', 1000, 1000)
@@ -80,7 +77,6 @@ class GiteaUpdate:
 res = GiteaUpdate.api_down('https://git.ilunix.de/api/v1/repos/punix/Wire-Py/releases')
 
 
-
 def msg_window(img_w, img_i, w_title, w_txt, txt2=None, com=None):
     """
     Function for different message windows for the user. with 4 arguments to be passed.
@@ -103,7 +99,7 @@ def msg_window(img_w, img_i, w_title, w_txt, txt2=None, com=None):
 
     label.grid(column=1, row=0)
 
-    if txt2 != None and com != None:
+    if txt2 is not None and com is not None:
         label.config(font=('Ubuntu', 11), padx=15, justify='left')
         msg.i_window.grid(column=0, row=0, sticky='nw')
         button2 = ttk.Button(msg, text=f'{txt2}', command=com, padding=4)
@@ -125,7 +121,6 @@ def msg_window(img_w, img_i, w_title, w_txt, txt2=None, com=None):
 
 
 class Tunnel:
-
     """
     Class of Methods for Wire-Py
     """
@@ -176,7 +171,6 @@ class Tunnel:
             pre_key = final_dict['PreSharedKey']
         return address, dns, endpoint, pre_key
 
-
     """
     Shows the Active Tunnel
     """
@@ -204,7 +198,6 @@ class Tunnel:
         tl = wg_s[::3]
         return tl
 
-
     """
     This will export the tunnels.
     A zipfile with current date and time is created
@@ -263,10 +256,11 @@ class Tunnel:
     @staticmethod
     def if_tip():
         with open(path_to_file2, 'r') as set_file2:
-                lines2 = set_file2.readlines()
-                if 'False\n' in lines2:
-                    return False
-                else:
-                    return True
+            lines2 = set_file2.readlines()
+            if 'False\n' in lines2:
+                return False
+            else:
+                return True
 
-tips = Tunnel.if_tip()
\ No newline at end of file
+
+tips = Tunnel.if_tip()