remove non-public apis from __all__ (#48952)

* remove non-public apis from __all__

* fix code style

python/paddle/jit/__init__.py

@@ -15,11 +15,10 @@
 
 from .api import save
 from .api import load
-from .api import set_code_level
-from .api import set_verbosity
 from .api import declarative as to_static
 from .api import not_to_static
 from .api import TranslatedLayer
+from .dy2static.logging_utils import set_code_level, set_verbosity
 
 from . import dy2static
 from .dy2static.program_translator import ProgramTranslator

python/paddle/jit/api.py

@@ -42,10 +42,6 @@ from .dy2static.convert_call_func import (
     ConversionOptions,
     CONVERSION_OPTIONS,
 )
-from .dy2static.logging_utils import (
-    set_code_level,
-    set_verbosity,
-)
 from .dy2static.program_translator import (
     ProgramTranslator,
     StaticFunction,
@@ -76,14 +72,7 @@ from paddle.fluid.framework import (
 from paddle.fluid.framework import dygraph_only, _non_static_mode
 from paddle.fluid.wrapped_decorator import wrap_decorator
 
-__all__ = [
-    'declarative',
-    'set_code_level',
-    'set_verbosity',
-    'save',
-    'load',
-    'not_to_static',
-]
+__all__ = []
 
 
 def create_program_from_desc(program_desc):

python/paddle/jit/dy2static/ifelse_transformer.py

@@ -44,7 +44,7 @@ from paddle.utils import gast
 
 from .base_transformer import BaseTransformer
 
-__all__ = ['IfElseTransformer']
+__all__ = []
 
 TRUE_FUNC_PREFIX = 'true_fn'
 FALSE_FUNC_PREFIX = 'false_fn'

python/paddle/static/__init__.py

@@ -74,13 +74,11 @@ from ..fluid.io import batch  # noqa: F401
 from ..fluid.contrib.layers import ctr_metric_bundle  # noqa: F401
 from ..fluid.layers import exponential_decay  # noqa: F401
 
-from .nn.common import batch_norm  # noqa: F401
 from .nn.metric import auc  # noqa: F401
 from .nn.metric import accuracy  # noqa: F401
 
 __all__ = [  # noqa
     'append_backward',
-    'batch_norm',
     'gradients',
     'Executor',
     'global_scope',