Set required six version in setup file
PyTango uses at least six.ensure_binary
method that is not able in all six version (since it was added in 1.12.0). The necessary six version should be specified e.g. in the setup file.
File "/usr/lib/python2.7/dist-packages/tango/db.py", line 205, in __Database__generic_get_property
e = six.ensure_binary(e, 'latin-1')
reason = PyDs_PythonError
severity = ERR]