Pyrofork: types: giveaway: Add FloodWait Exception handling

Signed-off-by: wulan17 <wulan17@nusantararom.org>

pyrogram/types/messages_and_media/giveaway.py

@@ -16,10 +16,12 @@
 #  You should have received a copy of the GNU Lesser General Public License
 #  along with Pyrofork.  If not, see <http://www.gnu.org/licenses/>.
 
+import asyncio
 import pyrogram
 
 from datetime import datetime
 from pyrogram import raw, types, utils
+from pyrogram.errors import FloodWait
 from ..object import Object
 from typing import List
 
@@ -85,6 +87,8 @@ class Giveaway(Object):
                         id=[await client.resolve_peer(channel_id)]
                     )
                 )
+            except FloodWait as e:
+                await asyncio.sleep(e.value)
             except Exception:
                 private_ids.append(channel_id)
             else: