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>>> import gast as ast
>>> from pythran import passmanager, backend
>>> node = ast.parse("def foo(n): import numpy; return numpy.ones((n,4))")
>>> pm = passmanager.PassManager("test")
>>> _, node = pm.apply(TupleToShape, node)
>>> print(pm.dump(backend.Python, node))
def foo(n):
import numpy
return numpy.ones(builtins.pythran.make_shape(n, 4))
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