Add basic scaffolding for distributing the package

numpy/__init__.pyi

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+# very simple, just enough to start running tests
+
+class ndarray: pass
+
+class dtype: pass
+
+def array(
+    object: object,
+    dtype: dtype = ...,
+    copy: bool = ...,
+    subok: bool = ...,
+    ndmin: int = ...) -> ndarray: ...

setup.py

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+from setuptools import setup, find_packages
+
+setup(
+    name='numpy_stubs',
+    maintainer="NumPy Developers",
+    maintainer_email="numpy-discussion@python.org",
+    description="PEP 561 type stubs for numpy",
+    url="http://www.numpy.org",
+    license='BSD',
+    version="0.0.1",
+    packages=find_packages(),
+
+    # PEP 561 requires these
+    install_requires=['numpy~=1.13.0'],
+    package_data={
+    	'numpy': 'py.typed'
+    },
+)

tests/README.md

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+Testing
+=======
+
+To run these tests:
+
+    export MYPYPATH='..'
+    mypy test_simple.py
+
+In future, this should change to use the test framework used by mypy.

tests/test_simple.py

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+import numpy as np
+
+def foo(a: np.ndarray): pass
+
+foo(np.array(1))