fix dummy

cdci_data_analysis/analysis/parameters.py

@@ -191,7 +191,7 @@ class Parameter:
     TODO see through that this is implemented https://github.com/oda-hub/dispatcher-app/issues/339
     """
     def __init__(self,
-                 value=None,
+                 value,
                  units=None,
                  name: Union[str, None] = None,
                  # TODO should we remove units/type/format knowledge from the Parameter class?
@@ -1057,7 +1057,7 @@ def __init__(self, value=None, name_format='str', name=None):
 class Boolean(Parameter):
     owl_uris = ('http://www.w3.org/2001/XMLSchema#bool',"http://odahub.io/ontology#Boolean")
 
-    def __init__(self, value=None, name=None, is_optional=False):
+    def __init__(self, value, name=None, is_optional=False):
 
         self._true_rep = ['True', 'true', 'yes', '1', True]
         self._false_rep = ['False', 'false', 'no', '0', False]
@@ -1083,7 +1083,11 @@ def value(self, v):
 class StructuredParameter(Parameter):
     owl_uris = ("http://odahub.io/ontology#StructuredParameter")
 
-    def __init__(self, value=None, name=None, schema={"oneOf": [{"type": "object"}, {"type": "array"}]}, is_optional=False):
+    def __init__(self, 
+                 value, 
+                 name=None, 
+                 schema={"oneOf": [{"type": "object"}, {"type": "array"}]}, 
+                 is_optional=False):
 
         self.schema = schema
 

cdci_data_analysis/plugins/dummy_plugin/empty_instrument.py

@@ -82,7 +82,7 @@ def my_instr_factory():
     numerical_query = DataServerNumericQuery('numerical_parameters_dummy_query',
                                              parameters_list=[p])
 
-    f = FileURL(name='dummy_file')
+    f = FileURL(name='dummy_file', is_optional=False)
     file_query = FileParameterQuery('file_parameters_dummy_query',
                                     parameters_list=[p, f])