This fixes:
Traceback (most recent call last):
File "/nix/store/7f9arl3f9xyj8sm05mkanh2mlp217192-glusterfs-3.10.2/libexec/glusterfs/glusterfind/changelog.py", line 22, in <module>
import libgfchangelog
File "/nix/store/7f9arl3f9xyj8sm05mkanh2mlp217192-glusterfs-3.10.2/libexec/glusterfs/glusterfind/libgfchangelog.py", line 21, in <module>
libgfc = CDLL("libgfchangelog.so", use_errno=True, mode=RTLD_GLOBAL)
File "/nix/store/nlyr5ankhi7yvva8zndi718zj37js270-python-2.7.13-env/lib/python2.7/ctypes/__init__.py", line 362, in __init__
self._handle = _dlopen(self._name, mode)
OSError: libgfchangelog.so: cannot open shared object file: No such file or directory
Connection to 10.0.0.2 closed.
when running `glusterfind pre`.
Done by setting PYTHONPATH/LD_LIBRARY_PATH as for the other
Python scripts.