Bug#915284: pysoundfile FTBFS with Python 3.7

[Adrian Bunk <bunk@debian.org>]

Source: pysoundfile
Version: 0.10.1-2
Severity: serious
Tags: ftbfs

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/pysoundfile.html

...
sphinx-build -b html -d _build/doctrees   . _build/html
Running Sphinx v1.7.9

Configuration error:
There is a programable error in your configuration file:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/config.py", line 161, in __init__
    execfile_(filename, config)
  File "/usr/lib/python3/dist-packages/sphinx/util/pycompat.py", line 150, in execfile_
    exec_(code, _globals)
  File "conf.py", line 280, in <module>
    import fake__soundfile
  File "/build/1st/pysoundfile-0.10.1/doc/fake__soundfile.py", line 6, in <module>
    ctypes.util.find_library = lambda _: NotImplemented
AttributeError: module 'ctypes' has no attribute 'util'

make[2]: *** [Makefile:53: html] Error 2