There was utf8 symbol u'\xa0' instead of usual space in iscdhcp/files/dhcpd.hosts, that has returned this error:

 ID: /etc/dhcp/dhcpd.hosts
    Function: file.managed
      Result: False
     Comment: Traceback (most recent call last):
                File "/usr/lib/python2.7/dist-packages/salt/utils/templates.py", line 77, in render_tmpl
                  output = render_str(tmplstr, context, tmplpath)
                File "/usr/lib/python2.7/dist-packages/salt/utils/templates.py", line 177, in render_jinja_tmpl
                  raise SaltRenderError('Jinja variable {0}'.format(exc), line, tmplstr)
                File "/usr/lib/python2.7/dist-packages/salt/exceptions.py", line 102, in __init__
                  marker=marker
                File "/usr/lib/python2.7/dist-packages/salt/utils/__init__.py", line 215, in get_context
                  return '---\n{0}\n---'.format('\n'.join(buf))
              UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' in position 155: ordinal not in range(128)
     Changes: