Update app.py

app.py

@@ -83,6 +83,7 @@ async def generation(ctx, attachment, start_time):
             im = await asyncio.get_running_loop().run_in_executor(None, jojogan.predict, attachment.url, style)
             semaphore.release()
         except Exception as e:
+            print('semaphore error')
             semaphore.release()
             raise e
         #im = await asyncio.to_thread(jojogan.predict, attachment.url, style)
@@ -101,7 +102,8 @@ async def generation(ctx, attachment, start_time):
             asyncio.sleep(0.5),
             ctx.message.remove_reaction('⌛', bot.user),
             asyncio.sleep(0.5),
-            ctx.message.add_reaction('✅')
+            ctx.message.add_reaction('✅'),
+            asyncio.sleep(0.5)
         )