Clean up imports

Change-Id: Ibca9c8ab8b9dafb813baee6a9c4aa024bf9733e2
Signed-off-by: Zane Bitter <zbitter@redhat.com>

heat/engine/eip.py

@@ -13,9 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import eventlet
 import logging
-import os
 
 from heat.common import exception
 from heat.engine.resources import Resource

heat/engine/instance.py

@@ -13,16 +13,11 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import base64
 import eventlet
 import logging
 import os
-import string
 import json
 import sys
-from email import encoders
-from email.message import Message
-from email.mime.base import MIMEBase
 from email.mime.multipart import MIMEMultipart
 from email.mime.text import MIMEText
 from novaclient.exceptions import NotFound

heat/engine/manager.py

@@ -17,12 +17,6 @@
 import contextlib
 from copy import deepcopy
 import datetime
-import functools
-import os
-import socket
-import tempfile
-import time
-import traceback
 import logging
 import webob
 from heat import manager

heat/engine/resources.py

@@ -15,12 +15,7 @@
 
 import base64
 from datetime import datetime
-import eventlet
 import logging
-import os
-import string
-import json
-import sys
 
 from novaclient.v1_1 import client
 from novaclient.exceptions import BadRequest

heat/engine/security_group.py

@@ -13,9 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import eventlet
 import logging
-import os
 from novaclient.exceptions import BadRequest
 from novaclient.exceptions import NotFound
 from heat.common import exception

heat/engine/user.py

@@ -13,9 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import eventlet
 import logging
-import os
 from novaclient.exceptions import BadRequest
 from heat.common import exception
 from heat.engine.resources import Resource

heat/engine/volume.py

@@ -15,7 +15,6 @@
 
 import eventlet
 import logging
-import os
 import re
 
 from heat.common import exception

heat/engine/wait_condition.py

@@ -16,7 +16,6 @@
 import eventlet
 import logging
 import json
-import os
 
 from heat.common import exception
 from heat.db import api as db_api