Do not decompose special tokens, remove useless pbar management

Closes #45 (closed)

atr_data_generator/extract/pylaia/syms.py

@@ -10,7 +10,7 @@ from atr_data_generator.extract.pylaia import (
     TOKEN_NAME,
     UNK_CHAR,
 )
-from atr_data_generator.extract.pylaia.utils import _merge
+from atr_data_generator.extract.pylaia.utils import _merge, _string_decompose
 
 
 class Syms:
@@ -60,7 +60,9 @@ class Syms:
         #  * character-based language model: "c c"
         # Note: special tokens like <ctc>, <space> or <unk> should NOT be decomposed in < c t c >
         (output / LEXICON_NAME).write_text(
-            "\n".join(_merge(extended_symbols, list(map(" ".join, extended_symbols))))
+            "\n".join(
+                _merge(extended_symbols, list(map(_string_decompose, extended_symbols)))
+            )
         )
 
         # Character occurrences.