fix alias

qiskit_dynamics/arraylias/alias.py

@@ -78,7 +78,7 @@
 ArrayLike = Union[Union[DYNAMICS_NUMPY_ALIAS.registered_types()], list]
 
 
-def _preferred_lib(*args, **kwargs):
+def _preferred_lib(*args):
     """Given a list of args and kwargs with potentially mixed array types, determine the appropriate
     library to dispatch to.
 
@@ -93,13 +93,12 @@ def _preferred_lib(*args, **kwargs):
     Raises:
         QiskitError: if none of the rules apply.
     """
-    args = list(args) + list(kwargs.values())
+    args = list(args)
     if len(args) == 1:
         return DYNAMICS_NUMPY_ALIAS.infer_libs(args[0])
 
     lib0 = DYNAMICS_NUMPY_ALIAS.infer_libs(args[0])[0]
-    lib1 = _preferred_lib(args[1:])[0]
-
+    lib1 = _preferred_lib(*args[1:])[0]
     if lib0 == "numpy" and lib1 == "numpy":
         return "numpy"
     elif lib0 == "jax" or lib1 == "jax":
@@ -121,5 +120,5 @@ def _numpy_multi_dispatch(*args, path, **kwargs):
     Returns:
         Result of evaluating the function at path on the arguments using the preferred library.
     """
-    lib = _preferred_lib(*args, **kwargs)
+    lib = _preferred_lib(*args)
     return DYNAMICS_NUMPY_ALIAS(like=lib, path=path)(*args, **kwargs)