Fixing log_out problems on mac os devices

telethon/telegram_client.py

@@ -316,33 +316,27 @@ class TelegramClient(TelegramBareClient):
     def log_out(self):
         """Logs out and deletes the current session.
            Returns True if everything went okay."""
-
         # Special flag when logging out (so the ack request confirms it)
         self._sender.logging_out = True
+
         try:
             self(LogOutRequest())
             self.disconnect()
-            if not self.session.delete():
-                return False
-
-            self.session = None
-            return True
         except OSError as e:
             # macos issue: https://github.com/veusz/veusz/issues/54
-            # socket has been already closed
+            # socket has been already closed (Errno 57)
-            if e.errno == errno.ENOTCONN:
+            # if any other - fail
-                if not self.session.delete():
+            if e.errno != errno.ENOTCONN:
-                    return False
-
-                self.session = None
-                return True
-            else:
                 raise e
         except (RPCError, ConnectionError):
             # Something happened when logging out, restore the state back
             self._sender.logging_out = False
             return False
 
+        self.session.delete()
+        self.session = None
+        return True
+
     def get_me(self):
         """Gets "me" (the self user) which is currently authenticated,
            or None if the request fails (hence, not authenticated)."""