Rename InvaldiDestination to a generic ClientException.

discord/client.py

@@ -509,7 +509,7 @@ class Client(object):
         elif isinstance(destination, Object):
             return destination.id
         else:
-            raise InvalidDestination('Destination must be Channel, PrivateChannel, User, or str')
+            raise ClientException('Destination must be Channel, PrivateChannel, User, or Object')
 
     def on_error(self, event_method, *args, **kwargs):
         print('Ignoring exception in {}'.format(event_method), file=sys.stderr)
@@ -613,6 +613,8 @@ class Client(object):
         ``mentions`` is ``True`` then all the users mentioned in the content are mentioned, otherwise
         no one is mentioned. Note that to mention someone in the content, you should use :meth:`User.mention`.
 
+        If the destination parameter is invalid, then this function raises :class:`ClientException`.
+
         :param destination: The location to send the message.
         :param content: The content of the message to send.
         :param mentions: A list of :class:`User` to mention in the message or a boolean. Ignored for private messages.

discord/errors.py

@@ -30,9 +30,11 @@ class DiscordException(Exception):
     Ideally speaking, this could be caught to handle any exceptions thrown from this library.
     """
 
-class InvalidDestination(DiscordException):
+class ClientException(DiscordException):
-    """Thrown when the destination from :meth:`Client.send_message` is invalid."""
+    """Exception that's thrown when an operation in the :class:`Client` fails.
-    pass
+
+    These are usually for exceptions that happened due to user input.
+    """
 
 class GatewayNotFound(DiscordException):
     """Thrown when the gateway hub for the :class:`Client` websocket is not found."""

docs/api.rst

@@ -284,7 +284,7 @@ The following exceptions are thrown by the library.
 
 .. autoclass:: DiscordException
 
-.. autoclass:: InvalidDestination
+.. autoclass:: ClientException
 
 .. autoclass:: GatewayNotFound