black reformatting

5 files changed, 10 insertions, 13 deletions

diff --git a/text_recognizer/data/iam_extended_paragraphs.py b/text_recognizer/data/iam_extended_paragraphs.py
index 23e424d..0e97801 100644
--- a/text_recognizer/data/iam_extended_paragraphs.py
+++ b/text_recognizer/data/iam_extended_paragraphs.py
@@ -16,6 +16,7 @@ class IAMExtendedParagraphs(BaseDataModule):
     augment: bool = attr.ib(default=True)
     train_fraction: float = attr.ib(default=0.8)
     word_pieces: bool = attr.ib(default=False)
+    num_classes: int = attr.ib(init=False)
 
     def __attrs_post_init__(self) -> None:
         self.iam_paragraphs = IAMParagraphs(
@@ -35,8 +36,7 @@ class IAMExtendedParagraphs(BaseDataModule):
 
         self.dims = self.iam_paragraphs.dims
         self.output_dims = self.iam_paragraphs.output_dims
-        self.mapping = self.iam_paragraphs.mapping
-        self.inverse_mapping = self.iam_paragraphs.inverse_mapping
+        self.num_classes = self.iam_paragraphs.num_classes
 
     def prepare_data(self) -> None:
         """Prepares the paragraphs data."""
@@ -58,7 +58,7 @@ class IAMExtendedParagraphs(BaseDataModule):
         """Returns info about the dataset."""
         basic = (
             "IAM Original and Synthetic Paragraphs Dataset\n"  # pylint: disable=no-member
-            f"Num classes: {len(self.mapping)}\n"
+            f"Num classes: {len(self.num_classes)}\n"
             f"Dims: {self.dims}\n"
             f"Output dims: {self.output_dims}\n"
         )
diff --git a/text_recognizer/data/iam_paragraphs.py b/text_recognizer/data/iam_paragraphs.py
index 82058e0..7ba1077 100644
--- a/text_recognizer/data/iam_paragraphs.py
+++ b/text_recognizer/data/iam_paragraphs.py
@@ -38,20 +38,17 @@ MAX_LABEL_LENGTH = 682
 class IAMParagraphs(BaseDataModule):
     """IAM handwriting database paragraphs."""
 
+    num_classes: int = attr.ib()
     augment: bool = attr.ib(default=True)
     train_fraction: float = attr.ib(default=0.8)
-    word_pieces: bool = attr.ib(default=False)
     dims: Tuple[int, int, int] = attr.ib(
         init=False, default=(1, IMAGE_HEIGHT, IMAGE_WIDTH)
     )
     output_dims: Tuple[int, int] = attr.ib(init=False, default=(MAX_LABEL_LENGTH, 1))
+    inverse_mapping: Dict[str, int] = attr.ib(init=False)
 
     def __attrs_post_init__(self) -> None:
-        self.mapping, self.inverse_mapping, _ = emnist_mapping(
-            extra_symbols=[NEW_LINE_TOKEN]
-        )
-        if self.word_pieces:
-            self.mapping = WordPieceMapping()
+        _, self.inverse_mapping, _ = emnist_mapping(extra_symbols=[NEW_LINE_TOKEN])
 
     def prepare_data(self) -> None:
         """Create data for training/testing."""
diff --git a/text_recognizer/models/base.py b/text_recognizer/models/base.py
index dfb4ca4..caf63c1 100644
--- a/text_recognizer/models/base.py
+++ b/text_recognizer/models/base.py
@@ -23,12 +23,9 @@ class BaseLitModel(LightningModule):
     criterion_config: DictConfig = attr.ib(converter=DictConfig)
     optimizer_config: DictConfig = attr.ib(converter=DictConfig)
     lr_scheduler_config: DictConfig = attr.ib(converter=DictConfig)
-
     interval: str = attr.ib()
     monitor: str = attr.ib(default="val/loss")
-
     loss_fn: Type[nn.Module] = attr.ib(init=False)
-
     train_acc: torchmetrics.Accuracy = attr.ib(
         init=False, default=torchmetrics.Accuracy()
     )
diff --git a/text_recognizer/models/metrics.py b/text_recognizer/models/metrics.py
index 9793157..0eb42dc 100644
--- a/text_recognizer/models/metrics.py
+++ b/text_recognizer/models/metrics.py
@@ -26,7 +26,9 @@ class CharacterErrorRate(Metric):
         bsz = preds.shape[0]
         for index in range(bsz):
             pred = [p for p in preds[index].tolist() if p not in self.ignore_indices]
-            target = [t for t in targets[index].tolist() if t not in self.ignore_indices]
+            target = [
+                t for t in targets[index].tolist() if t not in self.ignore_indices
+            ]
             distance = editdistance.distance(pred, target)
             error = distance / max(len(pred), len(target))
             self.error += error
diff --git a/text_recognizer/models/transformer.py b/text_recognizer/models/transformer.py
index 7a9d566..0e01bb5 100644
--- a/text_recognizer/models/transformer.py
+++ b/text_recognizer/models/transformer.py
@@ -13,6 +13,7 @@ from text_recognizer.models.base import BaseLitModel
 @attr.s(auto_attribs=True)
 class TransformerLitModel(BaseLitModel):
     """A PyTorch Lightning model for transformer networks."""
+
     mapping: Type[AbstractMapping] = attr.ib()
     start_token: str = attr.ib()
     end_token: str = attr.ib()