old_contents: from astropy.samp import conf
  from astropy.samp.hub import SAMPHubServer
  from astropy.samp.hub_proxy import SAMPHubProxy
  
  
  def setup_module(module):
      conf.use_internet = False
  
  
  class TestHubProxy:
  
      def setup_method(self, method):
  
          self.hub = SAMPHubServer(web_profile=False, mode='multiple', pool_size=1)
          self.hub.start()
  
          self.proxy = SAMPHubProxy()
          self.proxy.connect(hub=self.hub, pool_size=1)
  
      def teardown_method(self, method):
  
          if self.proxy.is_connected:
              self.proxy.disconnect()
  
          self.hub.stop()
  
      def test_is_connected(self):
          assert self.proxy.is_connected
  
      def test_disconnect(self):
          self.proxy.disconnect()
  
      def test_ping(self):
          self.proxy.ping()
  
      def test_registration(self):
          result = self.proxy.register(self.proxy.lockfile["samp.secret"])
          self.proxy.unregister(result['samp.private-key'])
  
  
  def test_custom_lockfile(tmpdir):
  
      lockfile = tmpdir.join('.samptest').realpath().strpath
  
      hub = SAMPHubServer(web_profile=False, lockfile=lockfile, pool_size=1)
      hub.start()
  
      proxy = SAMPHubProxy()
      proxy.connect(hub=hub, pool_size=1)
  
      hub.stop()
  
new_contents: from astropy.samp import conf
  from astropy.samp.hub import SAMPHubServer
  from astropy.samp.hub_proxy import SAMPHubProxy
  
  
  def setup_module(module):
      conf.use_internet = False
  
  
  class TestHubProxy:
  
      def setup_method(self, method):
  
          self.hub = SAMPHubServer(web_profile=False, mode='multiple', pool_size=1)
          self.hub.start()
  
          self.proxy = SAMPHubProxy()
          self.proxy.connect(hub=self.hub, pool_size=1)
  
      def teardown_method(self, method):
  
          if self.proxy.is_connected:
              self.proxy.disconnect()
  
          self.hub.stop()
  
      def test_is_connected(self):
          assert self.proxy.is_connected
  
      def test_disconnect(self):
          self.proxy.disconnect()
  
      def test_ping(self):
          self.proxy.ping()
  
      def test_registration(self):
          result = self.proxy.register(self.proxy.lockfile["samp.secret"])
          self.proxy.unregister(result['samp.private-key'])
  
  
  def test_custom_lockfile(tmp_path):
  
      lockfile = str(tmp_path / '.samptest')
  
      hub = SAMPHubServer(web_profile=False, lockfile=lockfile, pool_size=1)
      hub.start()
  
      proxy = SAMPHubProxy()
      proxy.connect(hub=hub, pool_size=1)
  
      hub.stop()
  
subject: Replace `tmpdir` with `tmp_path` in `samp` tests