py : fix except (#5189)

ggerganov · ggerganov · commit 9ef9316f7392 · 2024-01-29T14:26:56.000+02:00
ggml-ci
diff --git a/convert.py b/convert.py
@@ -336,7 +336,7 @@ def __init__(self, fname_tokenizer: Path, fname_added_tokens: Path | None) -> No
         self.bpe_tokenizer = json.loads(open(str(fname_tokenizer), encoding="utf-8").read())
         try:
             self.vocab = self.bpe_tokenizer["model"]["vocab"]
-        except:
+        except KeyError:
             self.vocab = self.bpe_tokenizer
         added_tokens: dict[str, int]
         if fname_added_tokens is not None:
