Fix import errors to support Python >3

debug_toolbar_mongo/operation_tracker.py

@@ -2,11 +2,17 @@
 import time
 import inspect
 import os
-import SocketServer
+try:
+    # Python 2
+    import SocketServer
+except ImportError:
+    # Python 3
+    import socketserver
 
 import django
 from django.conf import settings
 
+
 import pymongo
 import pymongo.collection
 import pymongo.cursor

debug_toolbar_mongo/panel.py

@@ -4,7 +4,7 @@
 
 from debug_toolbar.panels import DebugPanel
 
-import operation_tracker
+from debug_toolbar_mongo import operation_tracker
 
 _NAV_SUBTITLE_TPL = u'''
 {% for o, n, t in operations %}