diff --git a/pyproject.toml b/pyproject.toml
index 4a49ec99f4ec6..ef651db3d1849 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,6 @@ extend_skip_glob = [
     # These files do not need to be formatted,
     # see .flake8 for more details
     "python/paddle/utils/gast/**",
-    "python/paddle/base/framework.py",
 ]
 
 [tool.ruff]
diff --git a/python/paddle/__init__.py b/python/paddle/__init__.py
index e73b9ae0cc309..f9d0d9a536e70 100644
--- a/python/paddle/__init__.py
+++ b/python/paddle/__init__.py
@@ -23,6 +23,9 @@
      import paddle from the source directory; please install paddlepaddle*.whl firstly.'''
     )
 
+# NOTE(SigureMo): We should place the import of base.core before other modules,
+# because there are some initialization codes in base/core/__init__.py.
+from .base import core  # noqa: F401
 from .batch import batch
 
 # Do the *DUPLICATED* monkey-patch for the tensor object.
@@ -532,8 +535,8 @@
 
 from .pir_utils import IrGuard
 
-ir_change = IrGuard()
-ir_change._switch_to_pir()
+ir_guard = IrGuard()
+ir_guard._switch_to_pir()
 
 __all__ = [
     'iinfo',
diff --git a/python/paddle/base/__init__.py b/python/paddle/base/__init__.py
index 4acf21c465776..5bab0d5cf84f0 100644
--- a/python/paddle/base/__init__.py
+++ b/python/paddle/base/__init__.py
@@ -15,6 +15,7 @@
 import os
 import sys
 import atexit
+import platform
 
 # The legacy core need to be removed before "import core",
 # in case of users installing paddlepaddle without -U option
@@ -32,6 +33,8 @@
     except Exception as e:
         raise e
 
+from . import core
+
 # import all class inside framework into base module
 from . import framework
 from .framework import (
@@ -138,11 +141,6 @@ def __bootstrap__():
     Returns:
         None
     """
-    import sys
-    import os
-    import platform
-    from . import core
-
     # NOTE(zhiqiu): When (1)numpy < 1.19; (2) python < 3.7,
     # unittest is always imported in numpy (maybe some versions not).
     # so is_test is True and p2p is not inited.
diff --git a/python/paddle/base/framework.py b/python/paddle/base/framework.py
index ec580ba50d246..5c86638a76627 100644
--- a/python/paddle/base/framework.py
+++ b/python/paddle/base/framework.py
@@ -12,33 +12,32 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import textwrap
 import collections
-from collections.abc import Iterable
-from .wrapped_decorator import signature_safe_contextmanager, wrap_decorator
+import copy
+import functools
+import multiprocessing
 import os
 import re
+import subprocess
+import sys
+import textwrap
+import threading
 import traceback
-import copy
-from types import MethodType, FunctionType
+import warnings
+from collections.abc import Iterable
+from types import FunctionType, MethodType
 
 import numpy as np
-import subprocess
-import multiprocessing
-import sys
 
-from .proto import framework_pb2
-from .proto import data_feed_pb2  # noqa: F401
+import paddle.version as paddle_version
 
-from . import core
-from . import unique_name
 from .. import pir
-from paddle.base.libpaddle import DataType
-import paddle.version as fluid_version
-import warnings
-import functools
-from .variable_index import _getitem_static, _setitem_static, _setitem_impl_
-import threading
+from . import core, unique_name
+from .libpaddle import DataType
+from .proto import data_feed_pb2  # noqa: F401
+from .proto import framework_pb2
+from .variable_index import _getitem_static, _setitem_impl_, _setitem_static
+from .wrapped_decorator import signature_safe_contextmanager, wrap_decorator
 
 __all__ = []
 
@@ -503,10 +502,10 @@ def require_version(min_version, max_version=None):
             )
 
     version_installed = [
-        fluid_version.major,
-        fluid_version.minor,
-        fluid_version.patch,
-        fluid_version.rc,
+        paddle_version.major,
+        paddle_version.minor,
+        paddle_version.patch,
+        paddle_version.rc,
     ]
     zero_version = ['0', '0', '0', '0']
 
@@ -524,7 +523,7 @@ def version_cmp(ver_a, ver_b):
                 "PaddlePaddle version in [{}, {}] required, but {} installed. "
                 "Maybe you are using a develop version, "
                 "please make sure the version is good with your code.".format(
-                    min_version, max_version, fluid_version.full_version
+                    min_version, max_version, paddle_version.full_version
                 )
             )
         else:
@@ -532,7 +531,7 @@ def version_cmp(ver_a, ver_b):
                 "PaddlePaddle version {} or higher is required, but {} installed, "
                 "Maybe you are using a develop version, "
                 "please make sure the version is good with your code.".format(
-                    min_version, fluid_version.full_version
+                    min_version, paddle_version.full_version
                 )
             )
         return
@@ -554,7 +553,7 @@ def version_cmp(ver_a, ver_b):
         ):
             raise Exception(
                 "VersionError: PaddlePaddle version in [{}, {}] required, but {} installed.".format(
-                    min_version, max_version, fluid_version.full_version
+                    min_version, max_version, paddle_version.full_version
                 )
             )
     else:
@@ -562,7 +561,7 @@ def version_cmp(ver_a, ver_b):
             raise Exception(
                 "VersionError: PaddlePaddle version {} or higher is required, but {} installed, "
                 "please upgrade your PaddlePaddle to {} or other higher version.".format(
-                    min_version, fluid_version.full_version, min_version
+                    min_version, paddle_version.full_version, min_version
                 )
             )
 
@@ -7703,8 +7702,8 @@ def _get_var(name, program=None):
 
 @signature_safe_contextmanager
 def dygraph_guard_if_declarative():
-    from .dygraph.base import in_to_static_mode
     from .dygraph import Tracer
+    from .dygraph.base import in_to_static_mode
 
     if in_to_static_mode():
         # Under @paddle.jit.to_static decorator, we switch back dygraph mode temporarily.
diff --git a/python/paddle/pir/__init__.py b/python/paddle/pir/__init__.py
index 39b8c71ca5a2f..8a454c09e058d 100644
--- a/python/paddle/pir/__init__.py
+++ b/python/paddle/pir/__init__.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from paddle.base.libpaddle.pir import (
+from paddle.base.libpaddle.pir import (  # noqa: F401
     Program,
     Block,
     Operation,
@@ -22,8 +22,8 @@
     fake_op_result,
     is_fake_op_result,
     Type,
-)  # noqa: F401
-from paddle.base.libpaddle.pir import (
+)
+from paddle.base.libpaddle.pir import (  # noqa: F401
     translate_to_new_ir,
     set_global_program,
     set_insertion_point,
@@ -32,7 +32,7 @@
     check_unregistered_ops,
     register_paddle_dialect,
     PassManager,
-)  # noqa: F401
+)
 
 from . import core
 
diff --git a/test/dygraph_to_static/test_origin_info.py b/test/dygraph_to_static/test_origin_info.py
index c6415dff1ba1c..e2925d4fa1a4b 100644
--- a/test/dygraph_to_static/test_origin_info.py
+++ b/test/dygraph_to_static/test_origin_info.py
@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import inspect
 import sys
 import unittest
 
@@ -23,11 +24,10 @@
     OriginInfo,
     attach_origin_info,
     create_and_update_origin_info_map,
-    gast,
-    inspect,
     unwrap,
 )
 from paddle.jit.dy2static.utils import ast_to_func
+from paddle.utils import gast
 
 
 def simple_func(x):