Fix linting changes recommended by black

Author: bhavberi

office365/directory/users/user.py

@@ -272,7 +272,7 @@ def send_mail(
         to_recipients,
         cc_recipients=None,
         bcc_recipients=None,
-        reply_to = None,
+        reply_to=None,
         save_to_sent_items=False,
         body_type="Text",
     ):

office365/outlook/mail/messages/message.py

@@ -422,9 +422,7 @@ def cc_recipients(self):
     def reply_to(self):
         """The replyTo: recipients for the reply to the message."""
         self._persist_changes("replyTo")
-        return self.properties.setdefault(
-            "replyTo", ClientValueCollection(Recipient)
-        )
+        return self.properties.setdefault("replyTo", ClientValueCollection(Recipient))
 
     @property
     def sender(self):