fix train.py

train.py

@@ -378,7 +378,7 @@ def __init_emb_losses__(self, embLossTypes=None, embLossWeights=1):
     def __basic_train__(self, epochs, initial_epoch=0):
         self.model.compile(optimizer=self.optimizer, loss=self.cur_loss, metrics=self.metrics, loss_weights=self.loss_weights)
         cur_optimizer = self.model.optimizer
-        if not hasattr(cur_optimizer, "_variables") and hasattr(cur_optimizer, "_optimizer"), hasattr(cur_optimizer._optimizer, "_variables"):
+        if not hasattr(cur_optimizer, "_variables") and hasattr(cur_optimizer, "_optimizer") and hasattr(cur_optimizer._optimizer, "_variables"):
             # Bypassing TF 2.11 error AttributeError: 'LossScaleOptimizerV3' object has no attribute '_variables'
             # setattr(self.model.optimizer, "_variables", self.model.optimizer._optimizer._variables)
             setattr(self.model.optimizer, 'variables', self.model.optimizer._optimizer.variables)