Encoding error when exporting data

[Jerry-kiwi]

QGIS 3.4
Geoserver 12.4.1
Latest plugin (copied from git)
I have attributes in utf8 and get error while export to geoserver

Geoserver: 'latin-1' codec can't encode characters in position

[Jerry-kiwi]

2019-01-06T13:33:29 CRITICAL 'latin-1' codec can't encode characters in position 13-19: Body ('Автобус') is not valid Latin-1. Use body.encode('utf-8') if you want to send it encoded in UTF-8.:Traceback (most recent call last): File "/home/www_adm/.local/share/QGIS/QGIS3/profiles/default/python/plugins/geoserverexplorer/gui/gsoperations.py", line 40, in run catalog.publishLayer(*layerAndParams) File "/home/www_adm/.local/share/QGIS/QGIS3/profiles/default/python/plugins/geoserverexplorer/qgis/catalog.py", line 281, in publishLayer sld = self.publishStyle(layer, overwrite, name) if style is None else None File "/home/www_adm/.local/share/QGIS/QGIS3/profiles/default/python/plugins/geoserverexplorer/qgis/catalog.py", line 140, in publishStyle self.catalog.create_style(name, sld, overwrite) File "/home/www_adm/.local/share/QGIS/QGIS3/profiles/default/python/plugins/geoserverexplorer/extlibs/geoserver/catalog.py", line 974, in create_style resp = self.http_request(style.create_href, method='post', data=xml, headers=headers) File "/home/www_adm/.local/share/QGIS/QGIS3/profiles/default/python/plugins/geoserverexplorer/extlibs/geoserver/catalog.py", line 139, in http_request resp = req_method(url, headers=headers, data=data, auth=(self.username, self.password)) File "/usr/lib/python3/dist-packages/requests/sessions.py", line 567, in post return self.request('POST', url, data=data, json=json, **kwargs) File "/usr/lib/python3/dist-packages/requests/sessions.py", line 520, in request resp = self.send(prep, **send_kwargs) File "/usr/lib/python3/dist-packages/requests/sessions.py", line 630, in send r = adapter.send(request, **kwargs) File "/usr/lib/python3/dist-packages/requests/adapters.py", line 440, in send timeout=timeout File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 601, in urlopen chunked=chunked) File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 357, in _make_request conn.request(method, url, **httplib_request_kw) File "/usr/lib/python3.6/http/client.py", line 1239, in request self._send_request(method, url, body, headers, encode_chunked) File "/usr/lib/python3.6/http/client.py", line 1284, in _send_request body = _encode(body, 'body') File "/usr/lib/python3.6/http/client.py", line 161, in _encode (name.title(), data[err.start:err.end], name)) from None UnicodeEncodeError: 'latin-1' codec can't encode characters in position 13-19: Body ('Автобус') is not valid Latin-1. Use body.encode('utf-8') if you want to send it encoded in UTF-8.