Fix urlparse for py3.

moto/compat.py

@@ -3,8 +3,3 @@ try:
 except ImportError:
     # python 2.6 or earlier, use backport
     from ordereddict import OrderedDict  # flake8: noqa
-
-try:
-    from urlparse import urlparse  # flake8: noqa
-except ImportError:
-    from urllib.parse import urlparse  # flake8: noqa

moto/emr/responses.py

@@ -6,7 +6,7 @@ from functools import wraps
 
 import pytz
 
-from moto.compat import urlparse
+from six.moves.urllib.parse import urlparse
 from moto.core.responses import AWSServiceSpec
 from moto.core.responses import BaseResponse
 from moto.core.responses import xml_to_json_response

moto/instance_metadata/responses.py

@@ -1,7 +1,7 @@
 from __future__ import unicode_literals
 import datetime
 import json
-from urlparse import urlparse
+from six.moves.urllib.parse import urlparse
 
 from moto.core.responses import BaseResponse