Deprecate the whole Predis\Helpers class.

lib/Predis/Transaction/MultiExecContext.php

@@ -17,7 +17,6 @@ use Predis\ClientException;
 use Predis\ClientInterface;
 use Predis\CommunicationException;
 use Predis\ExecutableContextInterface;
-use Predis\Helpers;
 use Predis\NotSupportedException;
 use Predis\ResponseErrorInterface;
 use Predis\ResponseQueued;
@@ -443,7 +442,7 @@ class MultiExecContext implements BasicClientInterface, ExecutableContextInterfa
         // Since a MULTI/EXEC block cannot be initialized when using aggregated
         // connections, we can safely assume that Predis\Client::getConnection()
         // will always return an instance of Predis\Connection\SingleConnectionInterface.
-        Helpers::onCommunicationException(new ProtocolException(
+        CommunicationException::handle(new ProtocolException(
             $this->client->getConnection(), $message
         ));
     }