Update FileStream/utils/FileProcessors/bot_utils.py

FileStream/utils/FileProcessors/bot_utils.py

@@ -163,7 +163,7 @@ async def gen_link(_id):
   file_name = file_info['file']['file_name'],
   file_size = humanbytes(file_info['file']['file_size']),
   mime_type = file_info['file']['mime_type'],
-  poster = file_info['poster'],
+  poster = str(file_info.get("poster","")),
   title= file_info["title"],
   description= file_info['description'],
   release_date= file_info["release_date"],