fix onmt converter (#1581)

Author: vince62s

python/ctranslate2/converters/opennmt_py.py

@@ -104,9 +104,10 @@ def _get_model_spec_lm(opt, variables, src_vocabs, tgt_vocabs, num_source_embedd
     activation_fn = getattr(opt, "pos_ffn_activation_fn", "relu")
     num_heads = getattr(opt, "heads", 8)
     num_kv = getattr(opt, "num_kv", 0)
-    if num_kv == num_heads:
+    if num_kv == num_heads or num_kv == 0:
         num_kv = None
     rotary_dim = 0 if with_rotary else None
+    rotary_interleave = getattr(opt, "rotary_interleave", True)
     ffn_glu = activation_fn == "silu"
     sliding_window = getattr(opt, "sliding_window", 0)
 
@@ -119,7 +120,7 @@ def _get_model_spec_lm(opt, variables, src_vocabs, tgt_vocabs, num_source_embedd
         alibi=with_alibi,
         rms_norm=opt.layer_norm == "rms",
         rotary_dim=rotary_dim,
-        rotary_interleave=True,
+        rotary_interleave=rotary_interleave,
         multi_query_attention=getattr(opt, "multiquery", False),
         num_heads_kv=num_kv,
         sliding_window=sliding_window,
@@ -329,7 +330,7 @@ def set_linear(spec, variables, scope):
     spec.weight = _get_variable(variables, "%s.weight" % scope)
     bias = variables.get("%s.bias" % scope)
     if bias is not None:
-        spec.bias = bias.numpy()
+        spec.bias = bias
 
 
 def set_embeddings(spec, variables, scope):
@@ -341,7 +342,7 @@ def set_position_encodings(spec, variables, scope):
 
 
 def _get_variable(variables, name):
-    return variables[name].numpy()
+    return variables[name]
 
 
 def main():