Fixed database typo and removed unnecessary class identifier.

venv/Lib/site-packages/skimage/_shared/fft.py

@@ -0,0 +1,17 @@
+"""Prefer FFTs via the new scipy.fft module when available (SciPy 1.4+)
+
+Otherwise fall back to numpy.fft.
+
+Like numpy 1.15+ scipy 1.3+ is also using pocketfft, but a newer
+C++/pybind11 version called pypocketfft
+"""
+try:
+    import scipy.fft
+    from scipy.fft import next_fast_len
+    fftmodule = scipy.fft
+except ImportError:
+    import numpy.fft
+    fftmodule = numpy.fft
+    from scipy.fftpack import next_fast_len
+
+__all__ = ['fftmodule', 'next_fast_len']