added comments and remove unneeded import

MemeGenerator/views/index.py

 """
 MemeGenerator index (main) view.
 
-URLs include:
-/
 """
 
 from collections import defaultdict
-import hashlib
-import logging
-import os
 
 import arrow
 import flask
@@ -51,6 +46,7 @@ def show_search():
 
 @MemeGenerator.app.route('/setup')
 def show_setup():
+    """Show meme setup page."""
     url = flask.request.args.get('url')
     context = dict()
     context['url'] = url
@@ -58,6 +54,7 @@ def show_setup():
 
 @MemeGenerator.app.route('/generate')
 def generate():
+    """Show generated Meme page"""
     top = flask.request.args.get('top', default='_')
     bot = flask.request.args.get('bot', default='_')
     url = flask.request.args.get('url')