Unicode error during make rpm on RHEL 7.2

[lcorreia]

RPM was generated, but got this error meanwhile.

make wok.pot-update make[4]: Entering directory `/home/dev/wok/po' ./gen-pot ../src/wok/i18n.py ../ui/pages/.tmpl ../ui/pages/tabs/.tmpl Traceback (most recent call last): File "/bin/cheetah", line 3, in _cheetah() File "/usr/lib64/python2.7/site-packages/Cheetah/CheetahWrapper.py", line 620, in _cheetah CheetahWrapper().main() File "/usr/lib64/python2.7/site-packages/Cheetah/CheetahWrapper.py", line 148, in main meth() File "/usr/lib64/python2.7/site-packages/Cheetah/CheetahWrapper.py", line 231, in compile self._compileOrFill() File "/usr/lib64/python2.7/site-packages/Cheetah/CheetahWrapper.py", line 321, in _compileOrFill self._compileOrFillStdin() File "/usr/lib64/python2.7/site-packages/Cheetah/CheetahWrapper.py", line 563, in _compileOrFillStdin returnAClass=False) File "/usr/lib64/python2.7/site-packages/Cheetah/Template.py", line 754, in compile return generatedModuleCode.encode(outputEncoding) UnicodeEncodeError: 'ascii' codec can't encode character u'\xf4' in position 50397: ordinal not in r