fix prof switch

deepspeech/training/trainer.py

@@ -200,10 +200,8 @@ class Trainer():
                 batch_sampler.set_epoch(self.epoch)
 
     def after_train_batch(self):
-        if self.args.profiler_options:
-            profiler.add_profiler_step(self.args.profiler_options)
-
         if self.args.benchmark_max_step and self.iteration > self.args.benchmark_max_step:
+            profiler.add_profiler_step(self.args.profiler_options)
             logger.info(
                 f"Reach benchmark-max-step: {self.args.benchmark_max_step}")
             sys.exit(