python3: import __future__ for just in case

Signed-off-by: Satoshi KOBAYASHI <satoshi-k@iij.ad.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

ryu/app/simple_switch_snort.py

@@ -13,6 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import print_function
 
 import array
 

ryu/cmd/of_config_cli.py

@@ -23,6 +23,8 @@
 #      --peers=sw1=localhost:1830:username:password
 #     (Cmd) raw_get sw1
 
+from __future__ import print_function
+
 import ryu.contrib
 ryu.contrib.update_module_path()
 

ryu/cmd/rpc_cli.py

@@ -29,6 +29,8 @@
 #     NOTIFICATION from echo-server ['notify-method', ['param1', 'param2']]
 #     (Cmd)
 
+from __future__ import print_function
+
 import ryu.contrib
 ryu.contrib.update_module_path()
 

ryu/lib/ovs/vsctl.py

@@ -15,6 +15,8 @@
 # limitations under the License.
 
 
+from __future__ import print_function
+
 import itertools
 import logging
 import operator

ryu/lib/stringify.py

@@ -16,6 +16,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import print_function
+
 import base64
 import collections
 import inspect

ryu/tests/integrated/run_tests_with_ovs12.py

@@ -14,6 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import print_function
+
 import unittest
 from nose.tools import ok_, eq_, timed, nottest
 

ryu/tests/integrated/test_of_config.py

@@ -110,6 +110,8 @@ Here is my sys.config used for this test.
 
 """
 
+from __future__ import print_function
+
 import traceback
 
 import lxml.etree

ryu/tests/integrated/vrrp_common.py

@@ -14,6 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import print_function
+
 import time
 import random
 

ryu/tests/packet_data_generator3/gen.py

@@ -1,4 +1,7 @@
 #! /usr/bin/env python
+
+from __future__ import print_function
+
 import getopt
 import os
 import six

ryu/tests/unit/lib/test_ip.py

@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import print_function
+
 import unittest
 import logging
 import struct

ryu/tests/unit/lib/test_ofctl.py

@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import print_function
+
 import unittest
 import logging
 import netaddr

ryu/tests/unit/lib/test_stringify.py

@@ -14,6 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import print_function
+
 import base64
 import six
 import unittest

ryu/tests/unit/ofproto/test_parser.py

@@ -14,6 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import print_function
+
 import six
 import sys
 import unittest

ryu/tests/unit/ofproto/test_parser_compat.py

@@ -14,6 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import print_function
+
 import six
 import sys
 import unittest

ryu/tests/unit/ofproto/test_parser_ofpmatch.py

@@ -14,6 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import print_function
+
 try:
     # Python 3
     from functools import reduce

ryu/tests/unit/packet/test_bgp.py

@@ -14,6 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import print_function
+
 import unittest
 from nose.tools import eq_
 from nose.tools import ok_

ryu/tests/unit/packet/test_vrrp.py

@@ -16,6 +16,8 @@
 
 # vim: tabstop=4 shiftwidth=4 softtabstop=4
 
+from __future__ import print_function
+
 import unittest
 import logging
 import six