Bugfix for rejecting GeoArray subclasses by GeoArray

io.raster.GeoArray:
- __init__(): bugfix for wrong if-condition
- dump(): added docstring

ptds/io/raster/GeoArray.py

@@ -69,11 +69,10 @@ class GeoArray(object):
 
 
         # FIXME implement compatibility to GDAL VRTs
-
-        if type(path_or_array) not in [str, np.ndarray, GeoArray] and not \
-                not issubclass(getattr(path_or_array,'__class__'), GeoArray):
-            raise ValueError("%s parameter 'arg' takes only string, np.ndarray or GeoArray types. Got %s."
-                             %(self.__class__.__name__,type(path_or_array)))
+        if not (isinstance(path_or_array, (str, np.ndarray, GeoArray)) or
+                issubclass(getattr(path_or_array,'__class__'), GeoArray)):
+            raise ValueError("%s parameter 'arg' takes only string, np.ndarray or GeoArray(and subclass) instances."
+                             "Got %s." %(self.__class__.__name__,type(path_or_array)))
 
         if path_or_array is None:
             raise ValueError("The %s parameter 'path_or_array' must not be None!" %self.__class__.__name__)
@@ -750,7 +749,7 @@ class GeoArray(object):
 
     def dump(self, out_path):
         # type: (str)
-        """Sertialize the whole object instance to disk using dill."""
+        """Serialize the whole object instance to disk using dill."""
         import dill
         with open(out_path,'w') as outF:
             dill.dump(self,outF)