Fixed TypeError within raster2polygon. Bumped version.

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>

HISTORY.rst

@@ -2,6 +2,12 @@
 History
 =======
 
+0.17.9 (2021-09-09)
+-------------------
+
+* Fixed TypeError within raster2polygon.
+
+
 0.17.8 (2021-08-11)
 -------------------
 

py_tools_ds/geo/raster/conversion.py

@@ -133,11 +133,13 @@ def raster2polygon(array, gt, prj, DN2extract=1, exact=True, maxfeatCount=None,
     # GDF['geometry'] = GDF.apply(get_shplyPoly, axis=1)
 
     GDF = GeoDataFrame(columns=['geometry', 'DN'])
+    GDF.DN = GDF.DN.astype(float)
     timer = Timer(timeout)
     for i in range(featCount):
         if not timer.timed_out:
             element = mem_layer.GetNextFeature()
-            GDF.loc[i] = [loads(element.GetGeometryRef().ExportToWkb()).buffer(0), DN2extract]
+            wkb = bytes(element.GetGeometryRef().ExportToWkb())
+            GDF.loc[i] = [loads(wkb).buffer(0), DN2extract]
             del element
         else:
             raise TimeoutError('raster2polygon timed out!')

py_tools_ds/version.py

@@ -19,5 +19,5 @@
 # You should have received a copy of the GNU Lesser General Public License along
 # with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-__version__ = '0.17.8'
-__versionalias__ = '20210811_01'
+__version__ = '0.17.9'
+__versionalias__ = '20210909_01'