diff --git a/ppdet/modeling/__init__.py b/ppdet/modeling/__init__.py
index 8e8d41fa49f50e3bc256579fc27840ba6bda4c81..01968ba3c2a8d0785065730f99c4fc4b9656aaf7 100644
--- a/ppdet/modeling/__init__.py
+++ b/ppdet/modeling/__init__.py
@@ -1,3 +1,9 @@
+# OP docs may contains math formula which may cause
+# DeprecationWarning in string parsing
+import warnings
+warnings.filterwarnings(
+    action='ignore', category=DeprecationWarning, module='ops')
+
 from . import ops
 from . import backbones
 from . import necks
diff --git a/requirements.txt b/requirements.txt
index 4a74e50ca5e4116f42057f1f82c05386c3a34486..8ce34b5f06700535e9753504bb0f0d7df30a6df9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,3 +7,4 @@ shapely
 scipy
 terminaltables
 pycocotools
+setuptools>=42.0.0
diff --git a/tools/eval.py b/tools/eval.py
index 3025dd822d021811440ceb11964d9bd357eb3a15..56e350d92c8115551e6ac6e8b7bc1d1a34f73284 100755
--- a/tools/eval.py
+++ b/tools/eval.py
@@ -22,10 +22,6 @@ parent_path = os.path.abspath(os.path.join(__file__, *(['..'] * 2)))
 if parent_path not in sys.path:
     sys.path.append(parent_path)
 
-# ignore warning log
-import warnings
-warnings.filterwarnings('ignore')
-
 import paddle
 
 from ppdet.core.workspace import load_config, merge_config
diff --git a/tools/export_model.py b/tools/export_model.py
index 8cf3885c88552ca9b48f8b8d6796377d96912a2e..6665d2bf9b97024d30a99cf1de3bc81353397653 100644
--- a/tools/export_model.py
+++ b/tools/export_model.py
@@ -21,10 +21,6 @@ parent_path = os.path.abspath(os.path.join(__file__, *(['..'] * 2)))
 if parent_path not in sys.path:
     sys.path.append(parent_path)
 
-# ignore warning log
-import warnings
-warnings.filterwarnings('ignore')
-
 import paddle
 
 from ppdet.core.workspace import load_config, merge_config
diff --git a/tools/infer.py b/tools/infer.py
index 19d7b36f6460521b01b0f20f540984399c701991..c33d7a438b832edc714a13660a50c3fda2736952 100755
--- a/tools/infer.py
+++ b/tools/infer.py
@@ -21,9 +21,6 @@ parent_path = os.path.abspath(os.path.join(__file__, *(['..'] * 2)))
 if parent_path not in sys.path:
     sys.path.append(parent_path)
 
-# ignore warning log
-import warnings
-warnings.filterwarnings('ignore')
 import glob
 
 import paddle
diff --git a/tools/train.py b/tools/train.py
index 565ba8e906f19c95c1a75a8e1e9ce479c12d4cac..0ae86da07c09b58d624c9d93ba122bcb8d9e8b1b 100755
--- a/tools/train.py
+++ b/tools/train.py
@@ -22,9 +22,6 @@ parent_path = os.path.abspath(os.path.join(__file__, *(['..'] * 2)))
 if parent_path not in sys.path:
     sys.path.append(parent_path)
 
-# ignore warning log
-import warnings
-warnings.filterwarnings('ignore')
 import random
 import numpy as np