AC: fix typo (#3420)

Author: eaidova

tools/accuracy_checker/openvino/tools/accuracy_checker/launcher/openvino_launcher.py

@@ -500,7 +500,7 @@ def _create_network(self, input_shapes=None):
             with open(str(self._model), 'rb') as f: #pylint:disable=unspecified-encoding
                 self.exec_network = self.ie_core.import_model(io.BytesIO(f.read()), self._device)
             self.original_outputs = self.exec_network.outputs
-            model_batch = self._get_remodel_batch_size()
+            model_batch = self._get_model_batch_size()
             self._batch = model_batch if model_batch is not None else 1
             return
         if self._weights is None and self._model.suffix != '.onnx':