diff --git a/remindme.py b/remindme.py
index a736bc9..e7d4122 100755
--- a/remindme.py
+++ b/remindme.py
@@ -16,6 +16,7 @@ A very comprehensive help text
 """
 service_address = "remindme@friedersdorff.com"
 
+
 def empty_reply(msg):
     reply = email.message.EmailMessage()
     reply["Subject"] = f"RE: {msg['Subject']}"
@@ -58,14 +59,13 @@ def ack_message(uid, message, client):
     reply.set_content(list_reminders(msg["From"], client))
 
     if payload.startswith("list"):
-        reply["Subject"] = (
-            f"List of active reminders (was: {reply['Subject']})"
-        )
+        reply["Subject"] = f"List of active reminders (was: {reply['Subject']})"
         return reply, True
     else:
         msg.replace_header("Subject", f"Set reminder: {reply['Subject']}")
-        prefix = (f"Successfully set reminder: {payload}.\n\n"
-                  "Your reminders are:")
+        prefix = (
+            f"Successfully set reminder: {payload}.\n\n" "Your reminders are:"
+        )
         reply.set_content(f"{prefix}\n{reply.get_content()}")
         return reply, False
 
@@ -101,12 +101,13 @@ def main():
                     sclient.send_message(reply)
                 if delete:
                     print("Deleting message")
-                    #iclient.delete_messages([uid])
+                    # iclient.delete_messages([uid])
                 else:
                     print("Setting msg as seen")
-                    #iclient.set_flags([uid], [r"\SEEN"]) 
+                    # iclient.set_flags([uid], [r"\SEEN"])
             except Exception as e:
                 print("An error occured", e)
 
+
 if __name__ == "__main__":
     main()