Fix message entity parsing and serialization

pyrogram/methods/messages/send_message.py

@@ -159,7 +159,7 @@ class SendMessage:
                 entities=[
                     types.MessageEntity._parse(None, entity, {})
                     for entity in entities
-                ],
+                ] if entities else None,
                 client=self
             )
 

pyrogram/methods/messages/send_poll.py

@@ -155,7 +155,7 @@ class SendPoll:
                     ),
                     correct_answers=[bytes([correct_option_id])] if correct_option_id is not None else None,
                     solution=solution,
-                    solution_entities=solution_entities
+                    solution_entities=solution_entities or []
                 ),
                 message="",
                 silent=disable_notification,

pyrogram/parser/html.py

@@ -149,7 +149,7 @@ class HTML:
 
         return {
             "message": utils.remove_surrogates(parser.text),
-            "entities": sorted(entities, key=lambda e: e.offset)
+            "entities": sorted(entities, key=lambda e: e.offset) or None
         }
 
     @staticmethod

pyrogram/parser/parser.py

@@ -49,7 +49,7 @@ class Parser:
             return await self.html.parse(text)
 
         if mode == enums.ParseMode.DISABLED:
-            return {"message": text, "entities": []}
+            return {"message": text, "entities": None}
 
         raise ValueError(f'Invalid parse mode "{mode}"')
 

pyrogram/types/authorization/terms_of_service.py

@@ -52,5 +52,5 @@ class TermsOfService(Object):
             entities=[
                 types.MessageEntity._parse(None, entity, {})
                 for entity in terms_of_service.entities
-            ]
+            ] if terms_of_service.entities else None
         )

pyrogram/utils.py

@@ -349,7 +349,7 @@ async def parse_text_entities(
         for entity in entities:
             entity._client = client
 
-        text, entities = text, [await entity.write() for entity in entities]
+        text, entities = text, [await entity.write() for entity in entities] or None
     else:
         text, entities = (await client.parser.parse(text, parse_mode)).values()