fix attrubute not found np.long (#3654)

Author: eaidova

tools/accuracy_checker/openvino/tools/accuracy_checker/evaluators/custom_evaluators/opennmt_encoder_decoder_generator_evaluator.py

@@ -286,19 +286,19 @@ def __init__(self, config):
 
         # beam parameters
         self.top_beam_finished = np.zeros([self.batch_size], dtype=np.uint8)
-        self._batch_offset = np.arange(self.batch_size, dtype=np.long)
+        self._batch_offset = np.arange(self.batch_size, dtype="long")
         self.select_indices = None
         self.done = False
 
-        self.alive_seq = np.full([self.batch_size * self.beam_size, 1], self.bos, dtype=np.long)
+        self.alive_seq = np.full([self.batch_size * self.beam_size, 1], self.bos, dtype="long")
         self.is_finished = np.zeros((self.batch_size, self.beam_size), dtype=np.uint8)
         self.best_scores = np.full([self.batch_size], -1e10, dtype=float)
-        self._beam_offset = np.arange(0, self.batch_size * self.beam_size, step=self.beam_size, dtype=np.long)
+        self._beam_offset = np.arange(0, self.batch_size * self.beam_size, step=self.beam_size, dtype="long")
         self.topk_log_probs = np.asarray([0.0] + [float("-inf")] * (self.beam_size - 1))
         self.topk_log_probs = self.topk_log_probs.repeat(self.batch_size).reshape(self.batch_size, self.beam_size)
         self.topk_scores = np.empty((self.batch_size, self.beam_size), dtype=float)
-        self.topk_ids = np.empty((self.batch_size, self.beam_size), dtype=np.long)
-        self._batch_index = np.empty([self.batch_size, self.beam_size], dtype=np.long)
+        self.topk_ids = np.empty((self.batch_size, self.beam_size), dtype="long")
+        self._batch_index = np.empty([self.batch_size, self.beam_size], dtype="long")
 
     @property
     def current_predictions(self):