diff --git a/tempest/api/network/test_dhcp_ipv6.py b/tempest/api/network/test_dhcp_ipv6.py
index ceb7906..74c1d51 100644
--- a/tempest/api/network/test_dhcp_ipv6.py
+++ b/tempest/api/network/test_dhcp_ipv6.py
@@ -126,7 +126,7 @@
         ):
             kwargs = {'ipv6_ra_mode': ra_mode,
                       'ipv6_address_mode': add_mode}
-            kwargs = {k: v for k, v in six.iteritems(kwargs) if v}
+            kwargs = dict((k, v) for k, v in six.iteritems(kwargs) if v)
             real_ip, eui_ip = self._get_ips_from_subnet(**kwargs)
             self._clean_network()
             self.assertEqual(eui_ip, real_ip,
@@ -269,7 +269,7 @@
         ):
             kwargs = {'ipv6_ra_mode': ra_mode,
                       'ipv6_address_mode': add_mode}
-            kwargs = {k: v for k, v in six.iteritems(kwargs) if v}
+            kwargs = dict((k, v) for k, v in six.iteritems(kwargs) if v)
             subnet = self.create_subnet(self.network, **kwargs)
             port = self.create_port(self.network)
             port_ip = next(iter(port['fixed_ips']), None)['ip_address']
@@ -291,7 +291,7 @@
         ):
             kwargs = {'ipv6_ra_mode': ra_mode,
                       'ipv6_address_mode': add_mode}
-            kwargs = {k: v for k, v in six.iteritems(kwargs) if v}
+            kwargs = dict((k, v) for k, v in six.iteritems(kwargs) if v)
             subnet = self.create_subnet(self.network, **kwargs)
             ip_range = netaddr.IPRange(subnet["allocation_pools"][0]["start"],
                                        subnet["allocation_pools"][0]["end"])
@@ -366,7 +366,7 @@
         ):
             kwargs = {'ipv6_ra_mode': ra_mode,
                       'ipv6_address_mode': add_mode}
-            kwargs = {k: v for k, v in six.iteritems(kwargs) if v}
+            kwargs = dict((k, v) for k, v in six.iteritems(kwargs) if v)
             subnet, port = self._create_subnet_router(kwargs)
             port_ip = next(iter(port['fixed_ips']), None)['ip_address']
             self._clean_network()
diff --git a/tempest/thirdparty/boto/test_ec2_instance_run.py b/tempest/thirdparty/boto/test_ec2_instance_run.py
index 49a1854..6c1b362 100644
--- a/tempest/thirdparty/boto/test_ec2_instance_run.py
+++ b/tempest/thirdparty/boto/test_ec2_instance_run.py
@@ -175,23 +175,23 @@
             instance.add_tag('key1', value='value1')
 
         tags = self.ec2_client.get_all_tags()
-        td = {item.name: item.value for item in tags}
+        td = dict((item.name, item.value) for item in tags)
 
         self.assertIn('key1', td)
         self.assertEqual('value1', td['key1'])
 
         tags = self.ec2_client.get_all_tags(filters={'key': 'key1'})
-        td = {item.name: item.value for item in tags}
+        td = dict((item.name, item.value) for item in tags)
         self.assertIn('key1', td)
         self.assertEqual('value1', td['key1'])
 
         tags = self.ec2_client.get_all_tags(filters={'value': 'value1'})
-        td = {item.name: item.value for item in tags}
+        td = dict((item.name, item.value) for item in tags)
         self.assertIn('key1', td)
         self.assertEqual('value1', td['key1'])
 
         tags = self.ec2_client.get_all_tags(filters={'key': 'value2'})
-        td = {item.name: item.value for item in tags}
+        td = dict((item.name, item.value) for item in tags)
         self.assertNotIn('key1', td)
 
         for instance in reservation.instances: