Treating None embeds and views as not having embeds and views in send_message (#671)

Author: TurqW

discord/interactions.py

@@ -562,7 +562,7 @@ async def send_message(
         if embed is not MISSING and embeds is not MISSING:
             raise TypeError('cannot mix embed and embeds keyword arguments')
 
-        if embed is not MISSING:
+        if embed is not MISSING and embed is not None:
             embeds = [embed]
 
         if embeds:
@@ -576,7 +576,7 @@ async def send_message(
         if ephemeral:
             payload['flags'] = 64
 
-        if view is not MISSING:
+        if view is not MISSING and view is not None:
             payload['components'] = view.to_components()
 
         state = self._parent._state
@@ -620,7 +620,7 @@ async def send_message(
                 for file in files:
                     file.close()
 
-        if view is not MISSING:
+        if view is not MISSING and view is not None:
             if ephemeral and view.timeout is None:
                 view.timeout = 15 * 60.0