diff --git a/chaineTV.py b/chaineTV.py
index afbf2eb..4dd9aed 100644
--- a/chaineTV.py
+++ b/chaineTV.py
@@ -6,20 +6,20 @@ import urllib.request
 import json
 import sys
 
-def click ():
-    print (value.get())
+def click():
+    print(value.get())
     try:
-        label2["text"]+=data[value.get()]+"\r"
+        label2["text"] += data[value.get()]+"\r"
         print(data[value.get()])
     except KeyError:
-        print ("numero de chaine inconnue")
-        label2["text"]+="numero de chaine inconnue"+"\r"
+        print("numero de chaine inconnue")
+        label2["text"] += "numero de chaine inconnue"+"\r"
     value.set("")        
 
-def click_reset ():
-    print ("exit")
+def click_reset():
+    print("exit")
     fenetre.quit
-    label2["text"]=""
+    label2["text"] = ""
     fenetre.mainloop
 
 
@@ -37,30 +37,30 @@ def RepresentsInt(s):
     except TypeError:
         return False
 def parsechaine():
-    URL='https://fr.wikipedia.org/wiki/Liste_des_cha%C3%AEnes_de_Canal'
-    liste_chaine={} 
+    URL = 'https://fr.wikipedia.org/wiki/Liste_des_cha%C3%AEnes_de_Canal'
+    liste_chaine = {} 
     response = urllib.request.urlopen(URL)
     html = response.read()
-    parse=BeautifulSoup(html,"html.parser")
+    parse = BeautifulSoup(html,"html.parser")
     for item in parse.find_all('table'):
-        if (item.get("class") == ['wikitable'] or item.get("class") == ['wikitable', 'sortable'] ):
+        if (item.get("class") == ['wikitable'] or item.get("class") == ['wikitable', 'sortable']):
             for tr in item.find_all('tr'):
             
-                firstTD=tr.find()
-                num=firstTD.string
+                firstTD = tr.find()
+                num = firstTD.string
                 if RepresentsInt(num):
-                    #print (num)              
+                    #print(num)              
                     if RepresentsInt(firstTD.find_next().string):
-                       #print (firstTD.find_next().find_next().string)
-                       liste_chaine[num]=firstTD.find_next().find_next().string
+                       #print(firstTD.find_next().find_next().string)
+                       liste_chaine[num] = firstTD.find_next().find_next().string
                     else:
-                        #print (firstTD.find_next().string)
-                        liste_chaine[num]=firstTD.find_next().string
+                        #print(firstTD.find_next().string)
+                        liste_chaine[num] = firstTD.find_next().string
     print(json.dumps(liste_chaine, indent=4))
     with open('chaine.json', 'w', encoding='utf-8') as f:
         json.dump(liste_chaine, f, indent=4)
-    data=load_jsonfile('chaine.json')
-    label2["text"]+="update chaine done"+"\r"
+    data = load_jsonfile('chaine.json')
+    label2["text"] += "update chaine done"+"\r"
 
 def enter(evt):
     click()
@@ -70,36 +70,36 @@ def eventreset(evt):
 
 
 
-data=load_jsonfile('chaine.json')
+data = load_jsonfile('chaine.json')
 fenetre = Tk()
 fenetre.title("recherche de chaine")
 value = StringVar()
 
-if(len(sys.argv)>1):
-    arg=True
+if len(sys.argv) > 1:
+    arg = True
 else:
     value.set("")
-    arg=False
+    arg = False
 
-label=Label(fenetre,text="entrer numero de chaine")
+label = Label(fenetre, text="entrer numero de chaine")
 entree = Entry(fenetre, textvariable=value, width=30)
-frame =Frame(fenetre)
-label2=Label(fenetre, text="")
-bouton_update_base= Button(fenetre,text="update la base de chaine",command=parsechaine)
-bouton=Button(frame, text="OK", command=click)
-reset=Button(frame, text="reset",command=click_reset)
+frame = Frame(fenetre)
+label2 = Label(fenetre, text="")
+bouton_update_base = Button(fenetre, text="update la base de chaine", command=parsechaine)
+bouton = Button(frame, text="OK", command=click)
+reset = Button(frame, text="reset", command=click_reset)
 
 label.pack()
 entree.pack()
 entree.focus_set()
 frame.pack()
-bouton.pack(side = LEFT)
-reset.pack(side = RIGHT)
+bouton.pack(side=LEFT)
+reset.pack(side=RIGHT)
 label2.pack()
 bouton_update_base.pack()
-fenetre.bind("<Key-Return>",enter)
-fenetre.bind("<Key-Escape>",eventreset)
-if (arg==True):
+fenetre.bind("<Key-Return>", enter)
+fenetre.bind("<Key-Escape>", eventreset)
+if arg == True:
     for i in sys.argv[1:]:
         value.set(i)
         click()