diff --git a/backend/chainetv/emission.py b/backend/chainetv/emission.py
index d79a56e..3ed35ee 100644
--- a/backend/chainetv/emission.py
+++ b/backend/chainetv/emission.py
@@ -1,79 +1,84 @@
 from bs4 import BeautifulSoup
-import urllib.request
+import requests
 import re
 from datetime import datetime, timedelta
 from time import sleep
 
-#debug
-#import pprint
+# debug
+# import pprint
+
 
 class Emmission(object):
     loading = False
+
     def __init__(self):
         self._LoadreferencePage()
 
     def _LoadreferencePage(self):
-        URL="https://www.programme-tv.net/programme/canal-5/"
-        try:
-            response = urllib.request.urlopen(URL)
-        except urllib.error.URLError:
-            return None
+        URL = "https://www.programme-tv.net/programme/canal-5/"
+        response = requests.get(URL)
         print("load")
-        self.html = BeautifulSoup(response.read(),"html.parser")
-        self.timeexp=datetime.utcnow() +timedelta(seconds=30)
+        self.html = BeautifulSoup(response.content, "html.parser")
+        self.timeexp = datetime.utcnow() + timedelta(seconds=30)
 
-    def parse_emmission(self,strsearch):
-        if ((datetime.utcnow() > self.timeexp) and (self.loading == False)):
+    def parse_emmission(self, strsearch):
+        if (datetime.utcnow() > self.timeexp) and (self.loading is False):
             self.loading = True
             self._LoadreferencePage()
             self.loading = False
         else:
-            while(self.loading):
+            while self.loading:
                 sleep(0.1)
                 pass
-        strsearch=strsearch.replace('É','E')
-        strsearch=strsearch.strip()
+        strsearch = strsearch.replace("É", "E")
+        strsearch = strsearch.strip()
         print(strsearch)
-        chaineElement=self.html.find(string=re.compile(re.escape(strsearch)))
+        chaineElement = self.html.find(string=re.compile(re.escape(strsearch)))
         if chaineElement == None:
-            strsearch=strsearch.replace(" ","")
-            chaineElement=self.html.find(string=re.compile(re.escape(strsearch)))
+            strsearch = strsearch.replace(" ", "")
+            chaineElement = self.html.find(string=re.compile(re.escape(strsearch)))
         if chaineElement == None:
             return "can't find channel"
-        emissionElement=chaineElement.parent.parent.parent.find_next_sibling()
+        emissionElement = chaineElement.parent.parent.parent.find_next_sibling()
         print(emissionElement)
         link = emissionElement.find("a")
-        href = link['href']
+        href = link["href"]
         try:
-            img=emissionElement.find_next('img')['data-src']
+            img = emissionElement.find_next("img")["data-src"]
         except KeyError:
-            img=emissionElement.find_next('img')['src']
-        response = urllib.request.urlopen(href)
-        parse=BeautifulSoup(response.read(),"html.parser")
-        divcasting=parse.select_one(".peopleList")
-        if (divcasting):
-            casting=divcasting.find_all(href=re.compile("\/biographie.*"))
-            count=0
+            img = emissionElement.find_next("img")["src"]
+        response = requests.get(href)
+        parse = BeautifulSoup(response.content, "html.parser")
+        divcasting = parse.select_one(".peopleList")
+        if divcasting:
+            casting = divcasting.find_all(href=re.compile("\/biographie.*"))
+            count = 0
             for actor in casting:
-                casting[count]=actor['title']
-                count+=1
+                casting[count] = actor["title"]
+                count += 1
         else:
-            casting= None
-        divsynopsis=parse.select_one(".synopsis")
-        if (divsynopsis):
-            synopsis=divsynopsis.text
+            casting = None
+        divsynopsis = parse.select_one(".synopsis")
+        if divsynopsis:
+            synopsis = divsynopsis.text
         else:
-            img=None
-            synopsis=""
+            img = None
+            synopsis = ""
 
-        return {'title':link['title'],'href':href,'casting':casting,'synopsis':remove_first_space(synopsis),'img':img}
+        return {
+            "title": link["title"],
+            "href": href,
+            "casting": casting,
+            "synopsis": remove_first_space(synopsis),
+            "img": img,
+        }
 
 
-def remove_first_space (string):
-    space_number=0
+def remove_first_space(string):
+    space_number = 0
     for char in string:
         if char.isspace():
-            space_number+=1
+            space_number += 1
         else:
             break
     return string[space_number:]
diff --git a/backend/requirements.txt b/backend/requirements.txt
index d648332..382e298 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,21 +1,25 @@
 astroid==2.2.5
 beautifulsoup4==4.9.3
 bs4==0.0.1
-Click==7.0
-Flask==1.0.2
-Flask-Cors==3.0.7
+certifi==2021.10.8
+charset-normalizer==2.0.11
+click==8.0.3
+Flask==2.0.2
+Flask-Cors==3.0.10
 gunicorn==20.0.4
+idna==3.3
 isort==4.3.17
-itsdangerous==1.1.0
-Jinja2==2.10.1
+itsdangerous==2.0.1
+Jinja2==3.0.3
 lazy-object-proxy==1.3.1
-MarkupSafe==1.1.1
+MarkupSafe==2.0.1
 mccabe==0.6.1
 PyJWT==1.7.1
 pylint==2.3.1
+requests==2.27.1
 six==1.12.0
 soupsieve==1.9.1
 typed-ast==1.5.2
-Werkzeug==0.16.0
+urllib3==1.26.8
+Werkzeug==2.0.2
 wrapt==1.11.1
-