Update checked in version of gsutil to version 4.6

third_party/boto/boto/ec2/__init__.py

Index: third_party/boto/boto/ec2/__init__.py
===================================================================
--- third_party/boto/boto/ec2/__init__.py	(revision 33376)
+++ third_party/boto/boto/ec2/__init__.py	(working copy)
@@ -24,21 +24,10 @@
 service from AWS.
 """
 from boto.ec2.connection import EC2Connection
-from boto.regioninfo import RegionInfo
+from boto.regioninfo import RegionInfo, get_regions, load_regions
 
 
-RegionData = {
-    'us-east-1': 'ec2.us-east-1.amazonaws.com',
-    'us-gov-west-1': 'ec2.us-gov-west-1.amazonaws.com',
-    'us-west-1': 'ec2.us-west-1.amazonaws.com',
-    'us-west-2': 'ec2.us-west-2.amazonaws.com',
-    'sa-east-1': 'ec2.sa-east-1.amazonaws.com',
-    'eu-west-1': 'ec2.eu-west-1.amazonaws.com',
-    'ap-northeast-1': 'ec2.ap-northeast-1.amazonaws.com',
-    'ap-southeast-1': 'ec2.ap-southeast-1.amazonaws.com',
-    'ap-southeast-2': 'ec2.ap-southeast-2.amazonaws.com',
-    'cn-north-1': 'ec2.cn-north-1.amazonaws.com.cn',
-}
+RegionData = load_regions().get('ec2', {})
 
 
 def regions(**kw_params):
@@ -51,13 +40,7 @@
     :rtype: list
     :return: A list of :class:`boto.ec2.regioninfo.RegionInfo`
     """
-    regions = []
-    for region_name in RegionData:
-        region = RegionInfo(name=region_name,
-                            endpoint=RegionData[region_name],
-                            connection_cls=EC2Connection)
-        regions.append(region)
-    return regions
+    return get_regions('ec2', connection_cls=EC2Connection)
 
 
 def connect_to_region(region_name, **kw_params):