test(dpa4): address array api strict review comments

Author: njzjz

source/tests/array_api_strict/descriptor/dpa4.py

@@ -1,4 +1,8 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
+from importlib import (
+    import_module,
+)
+
 from deepmd.dpmodel.descriptor.dpa4 import DescrptDPA4 as DescrptDPA4DP
 from deepmd.dpmodel.descriptor.dpa4_nn.activation import (
     SwiGLU,
@@ -19,12 +23,13 @@
     array_api_strict_module,
     register_dpmodel_mapping,
 )
-from ..utils import exclude_mask as _strict_exclude_mask  # noqa: F401
-from ..utils import network as _strict_network  # noqa: F401
 from .base_descriptor import (
     BaseDescriptor,
 )
 
+import_module("..utils.exclude_mask", __package__)
+import_module("..utils.network", __package__)
+
 
 @BaseDescriptor.register("SeZM")
 @BaseDescriptor.register("sezm")

source/tests/array_api_strict/fitting/dpa4_ener.py

@@ -1,4 +1,7 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
+from importlib import (
+    import_module,
+)
 from typing import (
     ClassVar,
 )
@@ -13,9 +16,9 @@
 
 from ..common import (
     array_api_strict_module,
-    register_dpmodel_mapping,
 )
-from ..utils import network as _strict_network  # noqa: F401
+
+import_module("..utils.network", __package__)
 
 
 @array_api_strict_module
@@ -33,14 +36,3 @@ class SeZMNetworkCollection(SeZMNetworkCollectionDP):
 @array_api_strict_module
 class SeZMEnergyFittingNet(SeZMEnergyFittingNetDP):
     pass
-
-
-register_dpmodel_mapping(
-    GLUFittingNetDP,
-    lambda v: GLUFittingNet.deserialize(v.serialize()),
-)
-
-register_dpmodel_mapping(
-    SeZMNetworkCollectionDP,
-    lambda v: SeZMNetworkCollection.deserialize(v.serialize()),
-)