python3: Drop API warning and fix pep8/pyflakes3

src/lxc/lxc-device

@@ -25,15 +25,10 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 #
 
-# NOTE: To remove once the API is stabilized
-import warnings
-warnings.filterwarnings("ignore", "The python-lxc API isn't yet stable")
-
 import argparse
 import gettext
 import lxc
 import os
-import sys
 
 _ = gettext.gettext
 gettext.textdomain("lxc-device")

src/lxc/lxc-ls

@@ -25,10 +25,6 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 #
 
-# NOTE: To remove once the API is stabilized
-import warnings
-warnings.filterwarnings("ignore", "The python-lxc API isn't yet stable")
-
 import argparse
 import gettext
 import json

src/lxc/lxc-start-ephemeral.in

@@ -25,10 +25,6 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 #
 
-# NOTE: To remove once the API is stabilized
-import warnings
-warnings.filterwarnings("ignore", "The python-lxc API isn't yet stable")
-
 import argparse
 import gettext
 import lxc

src/python-lxc/examples/api_test.py

@@ -23,9 +23,6 @@
 # USA
 #
 
-import warnings
-warnings.filterwarnings("ignore", "The python-lxc API isn't yet stable")
-
 import lxc
 import uuid
 import sys

src/python-lxc/examples/pyconsole-vte.py

@@ -24,9 +24,6 @@
 # USA
 #
 
-import warnings
-warnings.filterwarnings("ignore", "The python-lxc API isn't yet stable")
-
 import gtk
 import vte
 import lxc

src/python-lxc/examples/pyconsole.py

@@ -24,9 +24,6 @@
 # USA
 #
 
-import warnings
-warnings.filterwarnings("ignore", "The python-lxc API isn't yet stable")
-
 import lxc
 import sys
 import time

src/python-lxc/lxc/__init__.py

@@ -25,12 +25,7 @@
 import _lxc
 import os
 import subprocess
-import stat
 import time
-import warnings
-
-warnings.warn("The python-lxc API isn't yet stable "
-              "and may change at any point in the future.", Warning, 2)
 
 default_config_path = _lxc.get_global_config_item("lxc.lxcpath")
 version = _lxc.get_version()