chore: fix import ordering

Author: jskeet

packages/google-cloud-dns/google/cloud/dns/__init__.py

@@ -24,9 +24,12 @@
   (adding/deleting resource record sets) to a zone.
 """
 
+from google.cloud.dns import version
+
+__version__ = version.__version__
+
 from google.cloud.dns.client import Client
 from google.cloud.dns.resource_record_set import ResourceRecordSet
-from google.cloud.dns.version import __version__
 from google.cloud.dns.zone import Changes, ManagedZone
 
 SCOPE = Client.SCOPE