Update lacommunaute/forum_conversation/forms.py on @vjousse's suggestion

Co-authored-by: Vincent Jousse <[email protected]>

lacommunaute/forum_conversation/forms.py

@@ -14,7 +14,7 @@ def clean(self):
         cleaned_data = super().clean()
         if "content" in cleaned_data:
             post = check_post_approbation(
-                Post(username=cleaned_data.get("username", None), content=cleaned_data.get("content"))
+                Post(username=cleaned_data.get("username"), content=cleaned_data.get("content"))
             )
             if not post.approved:
                 self.add_error(None, "Votre message ne respecte pas les règles de la communauté.")