How to use the pdb2pqr.ZSI.wstools.XMLSchema.XMLSchemaComponent.__init__ function in pdb2pqr

def __init__(self, parent):
            XMLSchemaComponent.__init__(self, parent)
            self.annotation = None

def __init__(self, parent):
        XMLSchemaComponent.__init__(self, parent)
        self.annotation = None

def __init__(self, parent):
        XMLSchemaComponent.__init__(self, parent)
        self.annotation = None
        self.attr_content = None

def __init__(self, parent):
        XMLSchemaComponent.__init__(self, parent)
        self.annotation = None
        self.content = None
        self.constraints = ()

def __init__(self, parent):
        XMLSchemaComponent.__init__(self, parent)
        self.annotation = None
        self.content = None

def __init__(self, parent):
        XMLSchemaComponent.__init__(self, parent)
        self.selector = None
        self.fields = None
        self.annotation = None

def __init__(self, parent):
            XMLSchemaComponent.__init__(self, parent)
            self.annotation = None
            self._schema = None

def __init__(self, parent):
        XMLSchemaComponent.__init__(self, parent)
        self.annotation = None
        self.content = None

def __init__(self, wsdl):
        XMLSchemaComponent.__init__(self, parent=wsdl)
        self.setAttributes(DOMAdapter(wsdl.document))

if schema is provided instance will not resolve include statement.
           _base_url -- needed for relative URLs support, only works with URLs
               relative to initial document.
           includes -- collection of include statements
           imports -- collection of import statements
           elements -- collection of global element declarations
           types -- collection of global type definitions
           attr_decl -- collection of global attribute declarations
           attr_groups -- collection of global attribute group definitions
           model_groups -- collection of model group definitions
           notations -- collection of notations

        """
        self.__node = None
        self.targetNamespace = None
        XMLSchemaComponent.__init__(self, parent)
        f = lambda k: k.attributes['name']
        ns = lambda k: k.attributes['namespace']
        sl = lambda k: k.attributes['schemaLocation']
        self.includes = Collection(self, key=sl)
        self.imports = Collection(self, key=ns)
        self.elements = Collection(self, key=f)
        self.types = Collection(self, key=f)
        self.attr_decl = Collection(self, key=f)
        self.attr_groups = Collection(self, key=f)
        self.model_groups = Collection(self, key=f)
        self.notations = Collection(self, key=f)

        self._imported_schemas = {}
        self._included_schemas = {}
        self._base_url = None