Do not lowercase the finger attribute. Remove a debug print.

federation/entities/activitypub/models.py

@@ -594,7 +594,7 @@ class Person(Object, base.Profile):
             self.finger = profile.finger
         else:
             domain = urlparse(self.id).netloc
-            finger = f'{self.username.lower()}@{domain}'
+            finger = f'{self.username}@{domain}'
             if get_profile_id_from_webfinger(finger) == self.id:
                 self.finger = finger
         # multi-protocol platform

federation/protocols/activitypub/protocol.py

@@ -114,7 +114,6 @@ class Protocol:
         signer = get_profile(key_id=sig.get('keyId'))
         if not signer:
             signer = retrieve_and_parse_document(sig.get('keyId'))
-        print(sig, signer)
         self.sender = signer.id if signer else self.actor
         key = getattr(signer, 'public_key', None)
         if not key: