add post_gif to rpc dispatcher

bots/modules/channel_helper.py

@@ -38,6 +38,7 @@ class ChannelHelperBotModuleConfig(TelegramBotModuleConfig):
         super().__init__(*args, **kwargs)
         self.rpc_dispatcher = RPCDispatcher()
         self.rpc_dispatcher['post_photo'] = self.rpc_post_photo
+        self.rpc_dispatcher['post_gif'] = self.rpc_post_gif
 
     def rpc_post_photo(self, photo, is_base64=False, note=''):
         config._reload_maybe()
@@ -82,7 +83,7 @@ class ChannelHelperBotModuleConfig(TelegramBotModuleConfig):
             with open(fpath_input, 'wb') as f:
                 f.write(resp.content)
         except:
-            raise RuntimeError('Could not load image')
+            raise RuntimeError('Could not load GIF')
         video_input = ffmpeg \
             .input(fpath_input)
         cmd = video_input \