Add check for position embedding

1 files changed, 11 insertions, 2 deletions

diff --git a/text_recognizer/networks/conv_transformer.py b/text_recognizer/networks/conv_transformer.py
index 0788b88..3220d5a 100644
--- a/text_recognizer/networks/conv_transformer.py
+++ b/text_recognizer/networks/conv_transformer.py
@@ -2,6 +2,7 @@
 import math
 from typing import Tuple, Type
 
+from loguru import logger as log
 from torch import nn, Tensor
 
 from text_recognizer.networks.transformer.layers import Decoder
@@ -51,7 +52,11 @@ class ConvTransformer(nn.Module):
         )
 
         # Positional encoding for decoder tokens.
-        self.token_pos_embedding = token_pos_embedding
+        if not decoder.has_pos_emb:
+            self.token_pos_embedding = token_pos_embedding
+        else:
+            self.token_pos_embedding = None
+            log.debug("Decoder already have positional embedding.")
 
         # Head
         self.head = nn.Linear(
@@ -112,7 +117,11 @@ class ConvTransformer(nn.Module):
         trg = trg.long()
         trg_mask = trg != self.pad_index
         trg = self.token_embedding(trg) * math.sqrt(self.hidden_dim)
-        trg = self.token_pos_embedding(trg)
+        trg = (
+            self.token_pos_embedding(trg)
+            if self.token_pos_embedding is not None
+            else trg
+        )
         out = self.decoder(x=trg, context=src, mask=trg_mask)
         logits = self.head(out)  # [B, Sy, T]
         logits = logits.permute(0, 2, 1)  # [B, T, Sy]