Added a check in the options' check method, to see if the option name indicated corresponds to an existing option

lodel/leapi/datahandlers/base_classes.py

@@ -65,7 +65,10 @@ class DataHandler(object):
     def check_options(self):
         for option_name, option_value in self.options_values.items():
             # TODO Change the call to self.options_spec if the specifications are passed as tuple
-            self.options_values[option_name] = self.options_spec[option_name].check_value(option_value)
+            if option_name in self.options_spec:
+                self.options_values[option_name] = self.options_spec[option_name].check_value(option_value)
+            else:
+                pass  # TODO decide what kind of exception should be raised here
 
     @property
     def options(self):