Use __doc__ as default message in Tgbox errors

Author: NotStatilko

tgbox/api/remote.py

@@ -204,7 +204,7 @@ async def get_remotebox(
         ) from None
     except ValueError:
         # ValueError: Could not find the input entity for PeerChannel
-        raise RemoteBoxInaccessible(RemoteBoxInaccessible.__doc__) from None
+        raise RemoteBoxInaccessible() from None
 
     if not dlb:
         logger.debug('DLB is NOT specified, return EncryptedRemoteBox')
@@ -2945,9 +2945,9 @@ async def update_metadata(self, changes: Dict[str, Union[bytes, None]]):
         try:
             await self._rb._tc.edit_message(self._message, updates_encoded)
         except MediaCaptionTooLongError:
-            raise NoPlaceLeftForMetadata(NoPlaceLeftForMetadata.__doc__) from None
+            raise NoPlaceLeftForMetadata() from None
         except ChatAdminRequiredError:
-            raise NotEnoughRights(NotEnoughRights.__doc__) from None
+            raise NotEnoughRights() from None
         except MessageIdInvalidError as e:
             raise InvalidFile('Can\'t edit caption of this Document') from e
         except MessageNotModifiedError as e:

tgbox/errors.py

@@ -3,6 +3,9 @@
 class TgboxException(Exception):
     """Base TGBOX Exception"""
 
+    def __init__(self, message=None):
+        super().__init__(message or self.__doc__)
+
 # Base Exceptions
 
 class NotInitializedError(TgboxException):

tgbox/keys.py

@@ -233,7 +233,7 @@ def decode(cls, encoded_key: str) -> Union[
             ekey_type = ekey_types[encoded_key[0]]
             return ekey_type(urlsafe_b64decode(encoded_key[1:]))
         except Exception as e:
-            raise IncorrectKey(IncorrectKey.__doc__) from e
+            raise IncorrectKey() from e
 
     def encode(self) -> str:
         """Encode raw key with ``urlsafe_b64encode`` and add prefix."""