Rearranging some imports (#290)

Fixes #289

CTFd/utils.py

@@ -1,5 +1,4 @@
 import datetime
-import email
 import functools
 import hashlib
 import json
@@ -10,6 +9,7 @@ import os
 import re
 import requests
 import shutil
+import six
 import smtplib
 import socket
 import subprocess
@@ -21,11 +21,11 @@ import dataset
 import zipfile
 import io
 
+from email.mime.text import MIMEText
 from flask import current_app as app, request, redirect, url_for, session, render_template, abort
 from flask_caching import Cache
 from flask_migrate import Migrate, upgrade as migrate_upgrade, stamp as migrate_stamp
 from itsdangerous import Signer
-import six
 from six.moves.urllib.parse import urlparse, urljoin
 from werkzeug.utils import secure_filename
 
@@ -474,7 +474,7 @@ def sendmail(addr, text):
             data['SSL'] = get_config('mail_ssl')
 
         smtp = get_smtp(**data)
-        msg = email.mime.text.MIMEText(text)
+        msg = MIMEText(text)
         msg['Subject'] = "Message from {0}".format(ctf_name)
         msg['From'] = mailfrom_addr
         msg['To'] = addr