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- # This file is not meant for public use and will be removed in SciPy v2.0.0.
- # Use the `scipy.fftpack` namespace for importing the functions
- # included below.
- import warnings
- from . import _helper
- __all__ = [ # noqa: F822
- 'fftshift', 'ifftshift', 'fftfreq', 'rfftfreq', 'next_fast_len'
- ]
- def __dir__():
- return __all__
- def __getattr__(name):
- if name not in __all__:
- raise AttributeError(
- "scipy.fftpack.helper is deprecated and has no attribute "
- f"{name}. Try looking in scipy.fftpack instead.")
- warnings.warn(f"Please use `{name}` from the `scipy.fftpack` namespace, "
- "the `scipy.fftpack.helper` namespace is deprecated.",
- category=DeprecationWarning, stacklevel=2)
- return getattr(_helper, name)
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