in geospatial.py: get_geoseries_blockages: #Polygon needs at least 3 nodes

measprocess/geospatial.py

@@ -86,7 +86,7 @@ def get_geoseries_blockages(measurement_coords : gpd.GeoSeries, retries : int =
 
     blockages = gpd.GeoSeries(
         Polygon(
-            ((node.lon, node.lat) for node in way.nodes)
+            ((node.lon, node.lat) for node in way.nodes if len(way.nodes)>2) # Polygon needs at least 3 nodes 
         ) for way in result.ways
     ).set_crs("EPSG:4326")