diff --git a/requirements.txt b/requirements.txt
index f2e1e50..f1a6954 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,2 @@
 Flask==1.0.2
+Pillow==5.3.0
diff --git a/slider.py b/slider.py
index 5ebca0b..d17fa05 100755
--- a/slider.py
+++ b/slider.py
@@ -1,7 +1,6 @@
 #!/usr/bin/python3
 
 from flask import Flask, render_template, send_from_directory, redirect, url_for
-from random import randint
 from os import listdir, makedirs
 from random import choice
 from pathlib import Path