fix __init__.py
@@ -4,3 +4,5 @@ from cupyx.scipy.fft._fft import (
__ua_domain__, __ua_convert__, __ua_function__)
from cupyx.scipy.fft._fft import _scipy_150
from cupyx.scipy.fft._helper import next_fast_len # NOQA
+from cupy.fft import fftshift, ifftshift, fftfreq, rfftfreq
+from cupyx.scipy.fftpack import get_fft_plan
