WKT_EXPR.match(wkt): cannot use a string pattern on a bytes-like object

[rldhont]

ERROR	Worker Error: cannot use a string pattern on a bytes-like object
Traceback (most recent call last):
  File "/opt/local/pyqgiswps/lib/python3.8/site-packages/pyqgiswps/poolserver/worker.py", line 84, in worker_handler
    result = (True, func( *args, **kwargs ))
  File "/opt/local/pyqgiswps/lib/python3.8/site-packages/pyqgiswps/executors/processingexecutor.py", line 285, in _run_process
    handler(wps_request, wps_response)
  File "/opt/local/pyqgiswps/lib/python3.8/site-packages/pyqgiswps/executors/processingprocess.py", line 351, in _handler
    parameters = dict( input_to_processing(ident, inp, alg, context) for ident,inp in request.inputs.items() )
  File "/opt/local/pyqgiswps/lib/python3.8/site-packages/pyqgiswps/executors/processingprocess.py", line 351, in <genexpr>
    parameters = dict( input_to_processing(ident, inp, alg, context) for ident,inp in request.inputs.items() )
  File "/opt/local/pyqgiswps/lib/python3.8/site-packages/pyqgiswps/executors/processingio.py", line 298, in input_to_processing
    geometryio.get_processing_value(param, inp, context) or \
  File "/opt/local/pyqgiswps/lib/python3.8/site-packages/pyqgiswps/executors/io/geometryio.py", line 215, in get_processing_value
    value = input_to_point( inp[0] )
  File "/opt/local/pyqgiswps/lib/python3.8/site-packages/pyqgiswps/executors/io/geometryio.py", line 189, in input_to_point
    g = input_to_geometry( inp )
  File "/opt/local/pyqgiswps/lib/python3.8/site-packages/pyqgiswps/executors/io/geometryio.py", line 175, in input_to_geometry
    return wkt_to_geometry(inp.data)
  File "/opt/local/pyqgiswps/lib/python3.8/site-packages/pyqgiswps/executors/io/geometryio.py", line 117, in wkt_to_geometry
    m = WKT_EXPR.match(wkt)
TypeError: cannot use a string pattern on a bytes-like object

The wkt provided to wkt_to_geometry is not a string available regex match method.
The wkt comes from WPSInput.data.

The request was:

<wps:Execute xmlns:wps="http://www.opengis.net/wps/1.0.0" version="1.0.0" service="WPS" xsi:schemaLocation="http://www.opengis.net/wps/1.0.0 http://schemas.opengis.net/wps/1.0.0/wpsAll.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <ows:Identifier xmlns:ows="http://www.opengis.net/ows/1.1">pyqgiswps_test:testpoint</ows:Identifier>
  <wps:DataInputs>
    <wps:Input>
      <ows:Identifier xmlns:ows="http://www.opengis.net/ows/1.1">INPUT</ows:Identifier>
      <ows:Title xmlns:ows="http://www.opengis.net/ows/1.1">Point</ows:Title>
      <wps:Data>
        <wps:ComplexData mimeType="application/wkt" encoding="utf-8" schema=""><![CDATA[CRS=4326;POINT(-4 48)]]></wps:ComplexData>
      </wps:Data>
    </wps:Input>
  </wps:DataInputs>
  <wps:ResponseForm>
    <wps:ResponseDocument storeExecuteResponse="true" status="true">
      <wps:Output>
        <ows:Identifier xmlns:ows="http://www.opengis.net/ows/1.1">OUTPUT</ows:Identifier>
        <ows:Title xmlns:ows="http://www.opengis.net/ows/1.1"/>
        <ows:Abstract xmlns:ows="http://www.opengis.net/ows/1.1"/>
      </wps:Output>
    </wps:ResponseDocument>
  </wps:ResponseForm>
</wps:Execute>

The algorithm is:

""" Test getting point
"""

from qgis.core import (QgsProcessingParameterPoint,
                       QgsProcessingOutputString,
                       QgsProcessingAlgorithm)


class TestPoint(QgsProcessingAlgorithm):

    INPUT = 'INPUT'
    OUTPUT = 'OUTPUT'

    def __init__(self):
        super().__init__()

    def name(self):
        return 'testpoint'

    def displayName(self):
        return 'Test Point'

    def createInstance(self, config={}):
        """ Virtual override

            see https://qgis.org/api/classQgsProcessingAlgorithm.html
        """
        return self.__class__()

    def initAlgorithm(self, config=None):
        """ Virtual override

           see https://qgis.org/api/classQgsProcessingAlgorithm.html
        """
        self.addParameter(QgsProcessingParameterPoint(self.INPUT, 'Point'))
        self.addOutput(QgsProcessingOutputString(self.OUTPUT, "Output"))

    def processAlgorithm(self, parameters, context, feedback):
        """ Virtual override

            see https://qgis.org/api/classQgsProcessingAlgorithm.html
        """
        point = self.parameterAsPoint(parameters, self.INPUT, context)
        crs = self.parameterAsPointCrs(parameters, self.INPUT, context)

        return {self.OUTPUT: point.toString(8)+' ('+crs.authid()+')'}