fix: improve UserWarning message (#7685)

* fix: improve UserWarning message
when both overfit and training dtaloader shuffling are enabled

fixes issue: #7656

* chore: update changelog

* Polish userwarning msg in pytorch_lightning/trainer/data_loading.py

Co-authored-by: ananthsub <[email protected]>

* shuffling typo

* Update CHANGELOG.md

Co-authored-by: ananthsub <[email protected]>
Co-authored-by: Adrian Wälchli <[email protected]>
Co-authored-by: Carlos Mocholí <[email protected]>

Author: 4 people

CHANGELOG.md

@@ -124,6 +124,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 ### Fixed
 
+- Fixed ambiguous warning when both overfit and train dataloader shuffling are enabled ([#7685](https://github.com/PyTorchLightning/pytorch-lightning/pull/7685))
+
 - Fixed dataloaders are not reset when tuning the model ([#7566](https://github.com/PyTorchLightning/pytorch-lightning/pull/7566))
 
 

pytorch_lightning/trainer/data_loading.py

@@ -238,7 +238,7 @@ def reset_train_dataloader(self, model: LightningModule) -> None:
             if hasattr(self.train_dataloader, 'sampler') and isinstance(self.train_dataloader.sampler, RandomSampler):
                 rank_zero_warn(
                     'You requested to overfit but enabled training dataloader shuffling.'
-                    ' We are turning it off for you.'
+                    ' We are turning off the training dataloader shuffling for you.'
                 )
                 self.train_dataloader = self.replace_sampler(
                     self.train_dataloader, SequentialSampler(self.train_dataloader.dataset)