Fixed Typed[Client/Say/Server]Command instances from raising on unloa…

…d if they failed to register.

addons/source-python/packages/source-python/commands/typed.py

@@ -6,7 +6,9 @@
 # =============================================================================
 # >> IMPORTS
 # =============================================================================
-# Python
+# Python Imports
+#   Contextlib
+from contextlib import suppress
 #   Inspect
 import inspect
 from inspect import Parameter
@@ -453,9 +455,10 @@ def __call__(self, callback):
         return callback
 
     def _unload_instance(self):
-        if self.parser.remove_command(self.commands):
-            self.manager.unregister_commands(
-                self.command.command_to_register, self.on_command)
+        with suppress(ValueError):
+            if self.parser.remove_command(self.commands):
+                self.manager.unregister_commands(
+                    self.command.command_to_register, self.on_command)
 
     @classmethod
     def on_command(cls, command, *args):