old_contents: import logging
  import unittest
  from functools import wraps
  import platform
  
  import redis
  from flask import Flask
  from mock import mock
  from nose.plugins.skip import SkipTest
  
  from flask_limiter import Limiter
  from flask_limiter.util import get_remote_address
  
  
  class FlaskLimiterTestCase(unittest.TestCase):
      def setUp(self):
          redis.Redis().flushall()
  
      def build_app(self, config={}, **limiter_args):
          app = Flask(__name__)
          for k, v in config.items():
              app.config.setdefault(k, v)
          limiter_args.setdefault('key_func', get_remote_address)
          limiter = Limiter(app, **limiter_args)
          mock_handler = mock.Mock()
          mock_handler.level = logging.INFO
          limiter.logger.addHandler(mock_handler)
          return app, limiter
  
  
  def test_import():
      import flask_limiter  # noqa
  
  
  def test_module_version():
      import flask_limiter
      assert flask_limiter.__version__ is not None
  
  
  def skip_if_pypy(fn):
      @wraps(fn)
      def __inner(*a, **k):
          if platform.python_implementation().lower() == "pypy":
              raise SkipTest
          return fn(*a, **k)
  
      return __inner
  
new_contents: import logging
  import unittest
  from functools import wraps
  import platform
  
  import redis
  from flask import Flask
  from mock import mock
  from nose.plugins.skip import SkipTest
  
  from flask_limiter import Limiter
  from flask_limiter.util import get_remote_address
  
  
  class FlaskLimiterTestCase(unittest.TestCase):
      def setUp(self):
          redis.Redis().flushall()
  
      def build_app(self, config={}, **limiter_args):
          app = Flask(__name__)
          for k, v in config.items():
              app.config.setdefault(k, v)
          limiter_args.setdefault('key_func', get_remote_address)
          limiter = Limiter(app, **limiter_args)
          mock_handler = mock.Mock()
          mock_handler.level = logging.INFO
          limiter.logger.addHandler(mock_handler)
          return app, limiter
  
  
  def test_module_version():
      import flask_limiter
      assert flask_limiter.__version__ is not None
  
  
  def skip_if_pypy(fn):
      @wraps(fn)
      def __inner(*a, **k):
          if platform.python_implementation().lower() == "pypy":
              raise SkipTest
          return fn(*a, **k)
  
      return __inner
  
subject: Remove useless import test