'Removes the iApp tmplChecksum
This is required for updating in place or else the load command will
fail with a "AppTemplate ... content does not match the checksum"
error.
:return:'

def _remove_iapp_checksum(self):

    resource = self.client.api.tm.sys.application.templates.template.load(name=self.want.name, partition=self.want.partition)
    resource.modify(tmplChecksum=None)
