(self, fullname)
Optional method which when implemented should return whether the
        module is a package.  The fullname is a str.  Returns a bool.

        Raises ImportError if the module cannot be found.
Optional method which when implemented should return whether the
        module is a package.  The fullname is a str.  Returns a bool.
Optional method which when implemented should return whether the module is a package . The fullname is a str . Returns a bool .
def is_package(self, fullname):
        """Optional method which when implemented should return whether the
        module is a package.  The fullname is a str.  Returns a bool.

        Raises ImportError if the module cannot be found.
        """
        raise ImportError
def is_package ( self , fullname ) : raise ImportError