diff --git a/examples/t4rec_paper_experiments/t4r_paper_repro/transf_exp_main.py b/examples/t4rec_paper_experiments/t4r_paper_repro/transf_exp_main.py
index 5da463b16c..c7ae93c6ce 100644
--- a/examples/t4rec_paper_experiments/t4r_paper_repro/transf_exp_main.py
+++ b/examples/t4rec_paper_experiments/t4r_paper_repro/transf_exp_main.py
@@ -22,7 +22,6 @@
 import numpy as np
 import pandas as pd
 import torch
-import transformers
 from exp_outputs import (
     config_dllogger,
     creates_output_dir,
@@ -33,14 +32,15 @@
 from merlin.io import Dataset
 from merlin.schema import Tags
 from transf_exp_args import DataArguments, ModelArguments, TrainingArguments
-from transformers import HfArgumentParser, set_seed
-from transformers.trainer_utils import is_main_process
 
+import transformers
 import transformers4rec.torch as t4r
 from merlin_standard_lib import Schema
+from transformers import HfArgumentParser, set_seed
 from transformers4rec.torch import Trainer
 from transformers4rec.torch.utils.data_utils import MerlinDataLoader
 from transformers4rec.torch.utils.examples_utils import wipe_memory
+from transformers.trainer_utils import is_main_process
 
 logger = logging.getLogger(__name__)
 
@@ -224,7 +224,7 @@ def mask_last_interaction(x):
     logger.info(f"Recall@10 of manually masked test data = {str(recall_10)}")
     output_file = os.path.join(training_args.output_dir, "eval_results_over_time.txt")
     with open(output_file, "a") as writer:
-        writer.write(f"\n***** Recall@10 of simulated inference  = {recall_10} *****\n")
+        writer.write(f"\n***** Recall@10 of simulated inference = {recall_10} *****\n")
     # Verify that the recall@10 from train.evaluate() matches the recall@10 calculated manually
     if not isinstance(input_module.masking, t4r.masking.PermutationLanguageModeling):
         # TODO fix inference discrepancy for permutation language modeling
diff --git a/transformers4rec/torch/experimental.py b/transformers4rec/torch/experimental.py
index 38850b6c30..4631c60b9c 100644
--- a/transformers4rec/torch/experimental.py
+++ b/transformers4rec/torch/experimental.py
@@ -97,7 +97,7 @@ def forward(self, inputs, training=False, testing=False, **kwargs):
             output = seq_rep + context_rep
         else:
             raise ValueError(
-                f"The aggregation {self.fusion_aggregation} is not supported,"
+                f"The aggregation {self.fusion_aggregation} is not supported, "
                 f"please select one of the following aggregations "
                 f"['concat', 'elementwise-mul', 'elementwise-sum']"
             )