Fix typo in create_network

Signed-off-by: Joffrey F <joffrey@docker.com>

docker/api/network.py

@@ -38,7 +38,7 @@ class NetworkApiMixin(object):
     @minimum_version('1.21')
     def create_network(self, name, driver=None, options=None, ipam=None,
                        check_duplicate=None, internal=False, labels=None,
-                       enable_ipv6=False, attachable=None):
+                       enable_ipv6=False, attachable=None, scope=None):
         """
         Create a network. Similar to the ``docker network create``.
 
@@ -119,10 +119,11 @@ class NetworkApiMixin(object):
                                      'supported in API version < 1.22')
             data['Internal'] = True
 
-        if attachable is not None
+        if attachable is not None:
             if version_lt(self._version, '1.24'):
-                raise InvalidVersion('Attachable is not '
-                                     'supported in API version < 1.24')
+                raise InvalidVersion(
+                    'attachable is not supported in API version < 1.24'
+                )
             data['Attachable'] = attachable
 
         url = self._url("/networks/create")

tests/integration/api_network_test.py

@@ -7,6 +7,10 @@ from .base import BaseAPIIntegrationTest
 
 
 class TestNetworks(BaseAPIIntegrationTest):
+    def tearDown(self):
+        super(TestNetworks, self).tearDown()
+        self.client.leave_swarm(force=True)
+
     def create_network(self, *args, **kwargs):
         net_name = random_name()
         net_id = self.client.create_network(net_name, *args, **kwargs)['Id']
@@ -434,3 +438,10 @@ class TestNetworks(BaseAPIIntegrationTest):
         _, net_id = self.create_network(enable_ipv6=True)
         net = self.client.inspect_network(net_id)
         assert net['EnableIPv6'] is True
+
+    @requires_api_version('1.24')
+    def test_create_network_attachable(self):
+        assert self.client.init_swarm('eth0')
+        _, net_id = self.create_network(driver='overlay', attachable=True)
+        net = self.client.inspect_network(net_id)
+        assert net['Attachable'] is True