Merge pull request #302

Author: jmikola

src/Operation/CreateIndexes.php

@@ -135,7 +135,7 @@ private function executeCommand(Server $server)
             $cmd['writeConcern'] = \MongoDB\write_concern_as_document($this->options['writeConcern']);
         }
 
-        $server->executeCommand($this->databaseName,  new Command($cmd));
+        $server->executeCommand($this->databaseName, new Command($cmd));
     }
 
     /**

src/Operation/DatabaseCommand.php

@@ -6,7 +6,6 @@
 use MongoDB\Driver\Cursor;
 use MongoDB\Driver\ReadPreference;
 use MongoDB\Driver\Server;
-use MongoDB\Driver\Exception\RuntimeException as DriverRuntimeException;
 use MongoDB\Exception\InvalidArgumentException;
 
 /**