added dropna to accessor

pandapower/create.py

@@ -40,7 +40,7 @@ def __init__(self, pandas_obj):
     @staticmethod
     def _validate(obj):
         try:
-            if not obj.apply(loads).apply(isinstance, args=(GeoJSON,)).all():
+            if not obj.dropna().apply(loads).apply(isinstance, args=(GeoJSON,)).all():
                 raise AttributeError("Can only use .geojson accessor with geojson string values!")
         except Exception as e:
             raise AttributeError(f"Can only use .geojson accessor with geojson string values!: {e}")
@@ -53,15 +53,15 @@ def extract_coords(x):
 
     @property
     def coords(self):
-        return self._obj.apply(loads).apply(self.extract_coords)
+        return self._obj.dropna().apply(loads).apply(self.extract_coords)
 
     @property
     def as_geo_object(self):
-        return self._obj.apply(loads)
+        return self._obj.dropna().apply(loads)
 
     @property
     def type(self):
-        return self._obj.apply(loads).apply(lambda x: str(x["type"]))
+        return self._obj.dropna().apply(loads).apply(lambda x: str(x["type"]))
 
 
 def create_empty_network(name="", f_hz=50., sn_mva=1, add_stdtypes=True):

pandapower/test/api/test_create.py

@@ -29,7 +29,9 @@ def test_geo_accessor():
         std_type="48-AL1/8-ST1A 10.0",
         geodata=[[(1, 1), (2, 2), (3, 3)], [(1, 1), (1, 2)]],
     )
+    pp.create_line(net, b1, b2, 1.5, std_type="48-AL1/8-ST1A 10.0")
 
+    assert len(net.line.geo.geojson.coords) == 2
     assert net.line.geo.geojson.coords.at[l[0]] == [(1, 1), (2, 2), (3, 3)]
     assert net.line.geo.geojson.coords.at[l[1]] == [(1, 1), (1, 2)]
     assert net.bus.geo.geojson.coords.at[b1] == (1, 1)