In HF there a single bias to rule them all

tests/test_config.py

@@ -95,7 +95,8 @@ def test_against_hf_config_bias_parity(model_name):
     ours_config = Config.from_name(model_name)
     try:
         theirs_config = AutoConfig.from_pretrained(
-            "/".join(ours_config.hf_config.values()), token=os.getenv("HF_TOKEN")
+            "/".join(ours_config.hf_config.values()),
+            token=os.getenv("HF_TOKEN"),
         )
     except OSError as e_info:
         if "You are trying to access a gated repo." in str(e_info):
@@ -105,16 +106,9 @@ def test_against_hf_config_bias_parity(model_name):
 
     b_names = [name for name in theirs_config.__dict__ if "bias" in name]
     assert len(b_names) <= 1
-    if len(b_names):
+    if len(b_names) == 1:
         assert b_names[0] in ("attention_bias", "use_qkv_bias", "bias")
-
-    if hasattr(theirs_config, "attention_bias"):
-        assert theirs_config.attention_bias == ours_config.attn_qkv_bias
-        assert theirs_config.attention_bias == ours_config.attn_proj_bias
-    if hasattr(theirs_config, "use_qkv_bias"):
-        assert theirs_config.use_qkv_bias == ours_config.attn_qkv_bias
-        assert theirs_config.use_qkv_bias == ours_config.attn_proj_bias
-    if hasattr(theirs_config, "bias"):
-        assert theirs_config.bias == ours_config.attn_qkv_bias
-        assert theirs_config.bias == ours_config.attn_proj_bias
-        assert theirs_config.bias == ours_config.mlp_bias
+        hf_bias = getattr(theirs_config, b_names[0])
+        assert hf_bias == ours_config.attn_qkv_bias
+        assert hf_bias == ours_config.attn_proj_bias
+        assert hf_bias == ours_config.mlp_bias