[REF] implement internals as dir (#21903)

* implement internals as dir * move internals.py to internals/__init__.py unchanged
pandas-dev · Jul 21, 2018 · 67b6277 · 67b6277
1 parent 8c4ec65
commit 67b6277
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diff --git a/pandas/core/internals.py → pandas/core/internals/__init__.py b/pandas/core/internals.py → pandas/core/internals/__init__.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 import warnings
 import copy
 from warnings import catch_warnings

diff --git a/pandas/tests/internals/test_internals.py b/pandas/tests/internals/test_internals.py
@@ -13,11 +13,12 @@
 from pandas import (Index, MultiIndex, DataFrame, DatetimeIndex,
                     Series, Categorical, TimedeltaIndex, SparseArray)
 from pandas.compat import OrderedDict, lrange
-from pandas.core.internals import (BlockPlacement, SingleBlockManager,
+from pandas.core.internals import (SingleBlockManager,
                                    make_block, BlockManager)
 import pandas.core.algorithms as algos
 import pandas.util.testing as tm
 import pandas as pd
+from pandas._libs.internals import BlockPlacement
 from pandas.util.testing import (assert_almost_equal, assert_frame_equal,
                                  randn, assert_series_equal)
 from pandas.compat import zip, u