Initial fixes to plugin repo

Fixing requirements and setup for manila tempest plugin.

Depends-On: I21f2e27ba18f18ebdf07105452c0ffb6fc04bb83
Change-Id: Id773014b915817ff41b9bffd41e84e4d53fb78be
diff --git a/manila_tempest_tests/tests/api/admin/test_migration_negative.py b/manila_tempest_tests/tests/api/admin/test_migration_negative.py
index 87ded63..a78b33c 100644
--- a/manila_tempest_tests/tests/api/admin/test_migration_negative.py
+++ b/manila_tempest_tests/tests/api/admin/test_migration_negative.py
@@ -55,7 +55,7 @@
                                     "are needed to run share migration tests.")
 
         cls.share = cls.create_share(cls.protocol,
-                                     size=CONF.share.share_size+1)
+                                     size=CONF.share.share_size + 1)
         cls.share = cls.shares_client.get_share(cls.share['id'])
 
         cls.default_type = cls.shares_v2_client.list_share_types(
diff --git a/manila_tempest_tests/tests/api/admin/test_replication_actions.py b/manila_tempest_tests/tests/api/admin/test_replication_actions.py
index 5b56533..57d90d0 100644
--- a/manila_tempest_tests/tests/api/admin/test_replication_actions.py
+++ b/manila_tempest_tests/tests/api/admin/test_replication_actions.py
@@ -58,7 +58,7 @@
             client=cls.admin_client)
         cls.share_type = share_type["share_type"]
         # Create share with above share_type
-        cls.share = cls.create_share(size=CONF.share.share_size+1,
+        cls.share = cls.create_share(size=CONF.share.share_size + 1,
                                      share_type_id=cls.share_type["id"],
                                      availability_zone=cls.share_zone,
                                      client=cls.admin_client)
diff --git a/manila_tempest_tests/tests/api/admin/test_share_group_types_negative.py b/manila_tempest_tests/tests/api/admin/test_share_group_types_negative.py
index 6dfe204..a7cd8a5 100644
--- a/manila_tempest_tests/tests/api/admin/test_share_group_types_negative.py
+++ b/manila_tempest_tests/tests/api/admin/test_share_group_types_negative.py
@@ -109,7 +109,7 @@
                 share_types=[self.share_type['share_type']['id']],
                 client=self.admin_shares_v2_client)
             list_of_ids.add(sg_type['id'])
-            self.assertEqual(unique_name,  sg_type['name'])
+            self.assertEqual(unique_name, sg_type['name'])
             self.admin_shares_v2_client.delete_share_group_type(sg_type['id'])
         self.assertEqual(2, len(list_of_ids))
 
diff --git a/manila_tempest_tests/tests/api/test_snapshot_rules_negative.py b/manila_tempest_tests/tests/api/test_snapshot_rules_negative.py
index b1818e5..2991acd 100644
--- a/manila_tempest_tests/tests/api/test_snapshot_rules_negative.py
+++ b/manila_tempest_tests/tests/api/test_snapshot_rules_negative.py
@@ -48,7 +48,7 @@
 
     @tc.attr(base.TAG_NEGATIVE, base.TAG_API_WITH_BACKEND)
     @ddt.data("1.2.3.256", "1.1.1.-", "1.2.3.4/33", "1.2.3.*", "1.2.3.*/23",
-              "1.2.3.1|23", "1.2.3.1/",  "1.2.3.1/-1",
+              "1.2.3.1|23", "1.2.3.1/", "1.2.3.1/-1",
               "fe80:217:f2ff:fe07:ed62", "2001:db8::1/148",
               "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff",
               "2001:0db8:0000:85a3:0000:0000:ac1f:8001/64")
diff --git a/manila_tempest_tests/utils.py b/manila_tempest_tests/utils.py
index 80eebea..3598ec7 100644
--- a/manila_tempest_tests/utils.py
+++ b/manila_tempest_tests/utils.py
@@ -110,7 +110,7 @@
 
 def rand_ipv6_ip(network=False):
     """This uses the IPv6 documentation range of 2001:DB8::/32"""
-    ran_add = ["%x" % random.randrange(0, 16**4) for i in range(6)]
+    ran_add = ["%x" % random.randrange(0, 16 ** 4) for i in range(6)]
     address = "2001:0DB8:" + ":".join(ran_add)
     if network:
         mask_length = six.text_type(random.randint(32, 128))