Merge remote-tracking branch 'upstream/master' into roy.add_simple_interrogate_api

1 files changed, 4 insertions, 2 deletions

diff --git a/modules/textual_inversion/dataset.py b/modules/textual_inversion/dataset.py
index 5b1c5002..ad726577 100644
--- a/modules/textual_inversion/dataset.py
+++ b/modules/textual_inversion/dataset.py
@@ -42,6 +42,8 @@ class PersonalizedBase(Dataset):
         self.lines = lines

 

         assert data_root, 'dataset directory not specified'

+        assert os.path.isdir(data_root), "Dataset directory doesn't exist"

+        assert os.listdir(data_root), "Dataset directory is empty"

 

         cond_model = shared.sd_model.cond_stage_model

 

@@ -86,12 +88,12 @@ class PersonalizedBase(Dataset):
         assert len(self.dataset) > 0, "No images have been found in the dataset."

         self.length = len(self.dataset) * repeats // batch_size

 

-        self.initial_indexes = np.arange(len(self.dataset))

+        self.dataset_length = len(self.dataset)

         self.indexes = None

         self.shuffle()

 

     def shuffle(self):

-        self.indexes = self.initial_indexes[torch.randperm(self.initial_indexes.shape[0]).numpy()]

+        self.indexes = np.random.permutation(self.dataset_length)

 

     def create_text(self, filename_text):

         text = random.choice(self.lines)