[pre-commit.ci] auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

source/tests/pt/test_init_frz_model.py

@@ -13,6 +13,9 @@
 
 import numpy as np
 
+from deepmd.entrypoints.convert_backend import (
+    convert_backend,
+)
 from deepmd.pt.entrypoints.main import (
     freeze,
     get_trainer,
@@ -23,9 +26,7 @@
 from deepmd.tf.utils.convert import (
     convert_pbtxt_to_pb,
 )
-from deepmd.entrypoints.convert_backend import (
-    convert_backend,
-)
+
 from .common import (
     run_dp,
 )
@@ -34,7 +35,7 @@
 class TestInitFrzModel(unittest.TestCase):
     def setUp(self) -> None:
         input_json = str(Path(__file__).parent / "water/se_atten.json")
-        with open(input_json, "r", encoding="utf-8") as f:
+        with open(input_json, encoding="utf-8") as f:
             config = json.load(f)
         config["model"]["descriptor"]["smooth_type_embedding"] = True
         config["training"]["numb_steps"] = 1
@@ -145,7 +146,7 @@ def test_init_frz_model_pb2pth(self) -> None:
         """Test initialization from frozen model with mismatched keys to test strict=False fallback."""
         # Create a base model
         input_json = str(Path(__file__).parent / "water/se_e2_a.json")
-        with open(input_json, "r", encoding="utf-8") as f:
+        with open(input_json, encoding="utf-8") as f:
             config = json.load(f)
         config["training"]["numb_steps"] = 1
         config["training"]["save_freq"] = 1
@@ -160,7 +161,7 @@ def test_init_frz_model_pb2pth(self) -> None:
 
         trainer = get_trainer(config, init_frz_model=frozen_model)
         trainer.run()
-        
+
     def tearDown(self) -> None:
         for f in os.listdir("."):
             if f.startswith("frozen_model") and f.endswith(".pth"):