(self)
return None
Returns a string representing the version of the solver currently
        installed or None if the solver is not found
Returns a string representing the version of the solver currently
        installed or None if the solver is not found
Returns a string representing the version of the solver currently installed or None if the solver is not found
def get_installed_version(self):
        """Returns a string representing the version of the solver currently
        installed or None if the solver is not found"""
        return None
def get_installed_version ( self ) : return None