Add Callable import to external_reply_info.py (#160)

Author: keyiflerolsun

pyrogram/types/input_message_content/external_reply_info.py

@@ -16,7 +16,7 @@
 #  You should have received a copy of the GNU Lesser General Public License
 #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
 
-from typing import Optional, Union
+from typing import Optional, Union, Callable
 
 import pyrogram
 from pyrogram import raw, types, utils, enums