fix: webhook/interaction editing with attachments param (Pycord-Development#2779)

* fix webhook/interaction editing with attachments param

* cl

Author: NeloBlivion

CHANGELOG.md

@@ -105,6 +105,8 @@ These changes are available on the `master` branch, but have not yet been releas
   ([#2746])(https://github.com/Pycord-Development/pycord/pull/2746)
 - Updated `valid_locales` to support `in` and `es-419`.
   ([#2767])(https://github.com/Pycord-Development/pycord/pull/2767)
+- Fixed `Webhook.edit` not working with `attachments=[]`.
+  ([#2779])(https://github.com/Pycord-Development/pycord/pull/2779)
 
 ### Changed
 

discord/webhook/async_.py

@@ -712,7 +712,7 @@ def handle_message_parameters(
         if voice_message:
             flags = flags + MessageFlags(is_voice_message=True)
 
-    if _attachments:
+    if attachments is not MISSING or _attachments:
         payload["attachments"] = _attachments
 
     payload["flags"] = flags.value