MAINT: add missing 'Arrayterator' to `numpy.lib.__all__`

Also finish the TODO about figuring out which np.lib.<submodule>'s
are public.

This is a giant mess ...

1 files changed, 7 insertions, 3 deletions

diff --git a/numpy/lib/__init__.py b/numpy/lib/__init__.py
index eb6c9cace..906bede37 100644
--- a/numpy/lib/__init__.py
+++ b/numpy/lib/__init__.py
@@ -5,10 +5,15 @@ import math
 from .info import __doc__
 from numpy.version import version as __version__
 
+# Public submodules
+# Note: recfunctions and (maybe) format are public too, but not imported
+from . import mixins
+from . import scimath as emath
+
+# Private submodules
 from .type_check import *
 from .index_tricks import *
 from .function_base import *
-from . import mixins  # public
 from .nanfunctions import *
 from .shape_base import *
 from .stride_tricks import *
@@ -16,7 +21,6 @@ from .twodim_base import *
 from .ufunclike import *
 from .histograms import *
 
-from . import scimath as emath
 from .polynomial import *
 from .utils import *
 from .arraysetops import *
@@ -27,7 +31,7 @@ from .arraypad import *
 from ._version import *
 from numpy.core._multiarray_umath import tracemalloc_domain
 
-__all__ = ['emath', 'math', 'tracemalloc_domain']
+__all__ = ['emath', 'math', 'tracemalloc_domain', 'Arrayterator']
 __all__ += type_check.__all__
 __all__ += index_tricks.__all__
 __all__ += function_base.__all__