From 4bcdedc4f0dddea1069ba616c22976e8a4d6901f Mon Sep 17 00:00:00 2001
From: Han Wang <wang_han@iapcm.ac.cn>
Date: Thu, 4 Jan 2024 23:08:50 +0800
Subject: [PATCH] rm rcut from DeepmdDataSystem

---
 deepmd/utils/data_system.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/deepmd/utils/data_system.py b/deepmd/utils/data_system.py
index bf05b5faa7..65cfdc053f 100644
--- a/deepmd/utils/data_system.py
+++ b/deepmd/utils/data_system.py
@@ -37,7 +37,7 @@ def __init__(
         systems: List[str],
         batch_size: int,
         test_size: int,
-        rcut: float,
+        rcut: Optional[float] = None,
         set_prefix: str = "set",
         shuffle_test: bool = True,
         type_map: Optional[List[str]] = None,
@@ -59,7 +59,7 @@ def __init__(
         test_size
             The size of test data
         rcut
-            The cut-off radius
+            The cut-off radius. Not used.
         set_prefix
             Prefix for the directories of different sets
         shuffle_test
@@ -91,7 +91,7 @@ def __init__(
             descriptors except mixed types.
         """
         # init data
-        self.rcut = rcut
+        del rcut
         self.system_dirs = systems
         self.nsystems = len(self.system_dirs)
         self.data_systems = []