4 files changed, 12 insertions, 12 deletions
diff --git a/text_recognizer/models/base.py b/text_recognizer/models/base.py
index caf63c1..8ce5c37 100644
--- a/text_recognizer/models/base.py
+++ b/text_recognizer/models/base.py
@@ -12,7 +12,7 @@ from torch import Tensor
 import torchmetrics
 
 
-@attr.s
+@attr.s(eq=False)
 class BaseLitModel(LightningModule):
     """Abstract PyTorch Lightning class."""
 
diff --git a/text_recognizer/models/metrics.py b/text_recognizer/models/metrics.py
index 0eb42dc..f83c9e4 100644
--- a/text_recognizer/models/metrics.py
+++ b/text_recognizer/models/metrics.py
@@ -8,11 +8,11 @@ from torch import Tensor
 from torchmetrics import Metric
 
 
-@attr.s
+@attr.s(eq=False)
 class CharacterErrorRate(Metric):
     """Character error rate metric, computed using Levenshtein distance."""
 
-    ignore_indices: Set = attr.ib(converter=set)
+    ignore_indices: Set[Tensor] = attr.ib(converter=set)
     error: Tensor = attr.ib(init=False)
     total: Tensor = attr.ib(init=False)
 
diff --git a/text_recognizer/models/transformer.py b/text_recognizer/models/transformer.py
index 0e01bb5..91e088d 100644
--- a/text_recognizer/models/transformer.py
+++ b/text_recognizer/models/transformer.py
@@ -1,5 +1,5 @@
 """PyTorch Lightning model for base Transformers."""
-from typing import Sequence, Tuple, Type
+from typing import Tuple, Type, Set
 
 import attr
 import torch
@@ -10,20 +10,20 @@ from text_recognizer.models.metrics import CharacterErrorRate
 from text_recognizer.models.base import BaseLitModel
 
 
-@attr.s(auto_attribs=True)
+@attr.s(auto_attribs=True, eq=False)
 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()
-    pad_token: str = attr.ib()
+    mapping: Type[AbstractMapping] = attr.ib(default=None)
+    start_token: str = attr.ib(default="<s>")
+    end_token: str = attr.ib(default="<e>")
+    pad_token: str = attr.ib(default="<p>")
 
     start_index: Tensor = attr.ib(init=False)
     end_index: Tensor = attr.ib(init=False)
     pad_index: Tensor = attr.ib(init=False)
 
-    ignore_indices: Sequence[str] = attr.ib(init=False)
+    ignore_indices: Set[Tensor] = attr.ib(init=False)
     val_cer: CharacterErrorRate = attr.ib(init=False)
     test_cer: CharacterErrorRate = attr.ib(init=False)
 
@@ -32,7 +32,7 @@ class TransformerLitModel(BaseLitModel):
         self.start_index = self.mapping.get_index(self.start_token)
         self.end_index = self.mapping.get_index(self.end_token)
         self.pad_index = self.mapping.get_index(self.pad_token)
-        self.ignore_indices = [self.start_index, self.end_index, self.pad_index]
+        self.ignore_indices = set([self.start_index, self.end_index, self.pad_index])
         self.val_cer = CharacterErrorRate(self.ignore_indices)
         self.test_cer = CharacterErrorRate(self.ignore_indices)
 
diff --git a/text_recognizer/models/vqvae.py b/text_recognizer/models/vqvae.py
index e215e14..22da018 100644
--- a/text_recognizer/models/vqvae.py
+++ b/text_recognizer/models/vqvae.py
@@ -10,7 +10,7 @@ import wandb
 from text_recognizer.models.base import BaseLitModel
 
 
-@attr.s(auto_attribs=True)
+@attr.s(auto_attribs=True, eq=False)
 class VQVAELitModel(BaseLitModel):
     """A PyTorch Lightning model for transformer networks."""