an error occurred when called by lua in nginx

[ltpao]

File "/usr/bin/unoconv", line 1112, in
office_environ(of)
File "/usr/bin/unoconv", line 203, in office_environ
os.environ['PATH'] = realpath(office.basepath, 'program') + os.pathsep + os.environ['PATH']
File "/opt/libreoffice4.1/program/python-core-3.3.0/lib/os.py", line 669, in getitem
value = self._data[self.encodekey(key)]
KeyError: b'PATH'

---

bug resolved
source:
os.environ['PATH'] = realpath(office.basepath, 'program') + os.pathsep + os.environ['PATH']
replace:
os.environ['PATH'] = realpath(office.basepath, 'program') + os.pathsep + os.environ.get('PATH', '.')

[dagwieers]

Maybe relevant also to this case is the following:
#87 (comment)