Remove MISSING check from embed, embeds, view

This removes the check if embed, embeds, and view are equal to MISSING and instead replaces it with if it is None.

Author: EmmmaTech

discord/interactions.py

@@ -502,9 +502,9 @@ async def send_message(
         self,
         content: Optional[Any] = None,
         *,
-        embed: Embed = MISSING,
-        embeds: List[Embed] = MISSING,
-        view: View = MISSING,
+        embed: Embed = None,
+        embeds: List[Embed] = None,
+        view: View = None,
         tts: bool = False,
         ephemeral: bool = False,
         allowed_mentions: AllowedMentions = None,
@@ -563,10 +563,10 @@ async def send_message(
             'tts': tts,
         }
 
-        if embed is not MISSING and embeds is not MISSING:
+        if embed is not None and embeds is not None:
             raise TypeError('cannot mix embed and embeds keyword arguments')
 
-        if embed is not MISSING and embed is not None:
+        if embed is not None:
             embeds = [embed]
 
         if embeds:
@@ -580,7 +580,7 @@ async def send_message(
         if ephemeral:
             payload['flags'] = 64
 
-        if view is not MISSING and view is not None:
+        if view is not None:
             payload['components'] = view.to_components()
 
         state = self._parent._state
@@ -624,7 +624,7 @@ async def send_message(
                 for file in files:
                     file.close()
 
-        if view is not MISSING and view is not None:
+        if view is not None:
             if ephemeral and view.timeout is None:
                 view.timeout = 15 * 60.0