Merge pull request #12

* Clean up python

* Clean up bot python

* revert lists

* revert commands.bot completely

* extract raise_expected_coro further

* add new lines

* removed erroneous import

* remove hashed line

discord/ui/button.py

@@ -185,16 +185,16 @@ class Button(Item[V]):
 
     @emoji.setter
     def emoji(self, value: Optional[Union[str, Emoji, PartialEmoji]]):  # type: ignore
-        if value is not None:
-            if isinstance(value, str):
-                self._underlying.emoji = PartialEmoji.from_str(value)
-            elif isinstance(value, _EmojiTag):
-                self._underlying.emoji = value._to_partial()
-            else:
-                raise TypeError(f'expected str, Emoji, or PartialEmoji, received {value.__class__} instead')
-        else:
+        if value is None:
             self._underlying.emoji = None
 
+        elif isinstance(value, str):
+            self._underlying.emoji = PartialEmoji.from_str(value)
+        elif isinstance(value, _EmojiTag):
+            self._underlying.emoji = value._to_partial()
+        else:
+            raise TypeError(f'expected str, Emoji, or PartialEmoji, received {value.__class__} instead')
+
     @classmethod
     def from_component(cls: Type[B], button: ButtonComponent) -> B:
         return cls(