diff --git a/server.py b/server.py
index b87a520..144943a 100644
--- a/server.py
+++ b/server.py
@@ -2,6 +2,7 @@
 import hmac
 import hashlib
 import asyncio
+
 # import subprocess
 
 from sanic import Sanic
@@ -51,7 +52,9 @@ async def notify(message, repository="dev"):
         if type(e).__name__ == "CancelledError":
             pass
         else:
-            raise Exception(f" {type(e).__name__} while trying to notify about commit '{commit_message}' on {repository}/{branch}: {e}")
+            raise Exception(
+                f" {type(e).__name__} while trying to notify about commit '{commit_message}' on {repository}/{branch}: {e}"
+            )
 
 
 @app.route("/github", methods=["GET"])
@@ -479,7 +482,9 @@ async def github(request):
             repository = request.json["repository"]["name"]
             user = request.json["sender"]["login"]
             url = request.json["commit"]["html_url"]
-            commit_message = request.json["commit"]["commit"]["message"].replace("\n", " ")
+            commit_message = request.json["commit"]["commit"]["message"].replace(
+                "\n", " "
+            )
             if request.json["commit"]["commit"]["committer"]:
                 commit_author = request.json["commit"]["commit"]["committer"]["name"]
             else:
@@ -490,12 +495,12 @@ async def github(request):
                 if description == "Pipeline failed on GitLab":
                     pipeline_id = target_url.split("/")[-1]
                     await notify(
-                        f'[{repository}] 🔴 Pipeline [#{pipeline_id}]({target_url}) failed on branch {branches}'
+                        f"[{repository}] 🔴 Pipeline [#{pipeline_id}]({target_url}) failed on branch {branches}"
                     )
                 elif description == "Pipeline canceled on GitLab":
                     pipeline_id = target_url.split("/")[-1]
                     await notify(
-                        f'[{repository}] ✖️ Pipeline [#{pipeline_id}]({target_url}) canceled on branch {branches}'
+                        f"[{repository}] ✖️ Pipeline [#{pipeline_id}]({target_url}) canceled on branch {branches}"
                     )
                 else:
                     await notify(
@@ -530,4 +535,4 @@ async def index(request):
 
 
 if __name__ == "__main__":
-    app.run('127.0.0.1', port="4567")
+    app.run("127.0.0.1", port="4567")
diff --git a/to_room.py b/to_room.py
index 45108b2..2386011 100644
--- a/to_room.py
+++ b/to_room.py
@@ -27,19 +27,33 @@ def XMPPBot(password, room="dev"):
 
         client.sendInitPresence(requestRoster=0)
 
-        presence = xmpp.Presence(attrs={'id': uuid.uuid4()}, to="%s@conference.yunohost.org" % room)
-        presence.setTag('x', namespace='http://jabber.org/protocol/muc')
+        presence = xmpp.Presence(
+            attrs={"id": uuid.uuid4()}, to="%s@conference.yunohost.org" % room
+        )
+        presence.setTag("x", namespace="http://jabber.org/protocol/muc")
 
         client.send(presence)
 
-        client.send(xmpp.Presence(attrs={'id': uuid.uuid4()}, to='%s@conference.yunohost.org/GitBot' % room))
+        client.send(
+            xmpp.Presence(
+                attrs={"id": uuid.uuid4()},
+                to="%s@conference.yunohost.org/GitBot" % room,
+            )
+        )
 
     def sendToChatRoom(message):
         if not client.connected:
             connect()
             client.connected = True
 
-        client.send(xmpp.protocol.Message("%s@conference.yunohost.org" % room, message, typ="groupchat", attrs={'id': uuid.uuid4()}))
+        client.send(
+            xmpp.protocol.Message(
+                "%s@conference.yunohost.org" % room,
+                message,
+                typ="groupchat",
+                attrs={"id": uuid.uuid4()},
+            )
+        )
 
     client.sendToChatRoom = sendToChatRoom
 
@@ -49,7 +63,7 @@ def XMPPBot(password, room="dev"):
         client.disconnect()
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     if len(sys.argv[1:]) < 2:
         print("Usage : python to_room.py <password> <message> [<room name>]")
         sys.exit(1)