fix issue #7924

convert-hf-to-gguf.py

@@ -177,7 +177,7 @@ class Model:
                 return False
         return name == (key_name + suffix)
 
-    def map_tensor_name(self, name: str, try_suffixes: Sequence[str] = (".weight", ".bias")) -> str:
+    def map_tensor_name(self, name: str, try_suffixes: Sequence[str] = (".weight", ".bias", ".beta", ".gamma")) -> str:
         new_name = self.tensor_map.get_name(key=name, try_suffixes=try_suffixes)
         if new_name is None:
             raise ValueError(f"Can not map tensor {name!r}")
@@ -248,7 +248,10 @@ class Model:
             # we don't need these
             if name.endswith((".attention.masked_bias", ".attention.bias", ".rotary_emb.inv_freq")):
                 continue
-
+                
+            if name.startswith("bert."):
+                name = name.removeprefix("bert.")
+                
             old_dtype = data_torch.dtype
 
             # convert any unsupported data types to float32
@@ -2193,7 +2196,7 @@ class BertModel(Model):
         del bid  # unused
 
         # we are only using BERT for embeddings so we don't need the pooling layer
-        if name in ("embeddings.position_ids", "pooler.dense.weight", "pooler.dense.bias"):
+        if name in ("embeddings.position_ids", "pooler.dense.weight", "pooler.dense.bias") or "cls." in name:
             return [] # we don't need these
 
         return [(self.map_tensor_name(name), data_torch)]