Don't turn warnings into errors

Author: encukou

Lib/test/test_urllib2net.py

@@ -170,20 +170,16 @@ def patched_create_connection(address, *args, **kwargs):
         with mock.patch('socket.create_connection', patched_create_connection):
             with check_no_resource_warning(self):
                 # Try without CacheFTPHandler
-                warnings.filterwarnings('error', category=ResourceWarning)
                 self._test_urls([entry], handlers=no_cache_handlers,
                                 retry=False)
             with check_no_resource_warning(self):
                 # Try with CacheFTPHandler (uncached)
-                warnings.filterwarnings('error', category=ResourceWarning)
                 self._test_urls([entry], cache_handlers, retry=False)
             with check_no_resource_warning(self):
                 # Try with CacheFTPHandler (cached)
-                warnings.filterwarnings('error', category=ResourceWarning)
                 self._test_urls([entry], cache_handlers, retry=False)
         # Try without the mock: the handler should not use a closed connection
         with check_no_resource_warning(self):
-            warnings.filterwarnings('error', category=ResourceWarning)
             self._test_urls([url], cache_handlers, retry=False)
 
     def test_file(self):