CreatePush.
        Push changes to the repository.
        :param :class:`<GitPush> <azure.devops.v5_0.git.models.GitPush>` push:
        :param str repository_id: The name or ID of the repository.
        :param str project: Project ID or project name
        :rtype: :class:`<GitPush> <azure.devops.v5_0.git.models.GitPush>`

def create_push(self, push, repository_id, project=None):
        """CreatePush.
        Push changes to the repository.
        :param :class:`<GitPush> <azure.devops.v5_0.git.models.GitPush>` push:
        :param str repository_id: The name or ID of the repository.
        :param str project: Project ID or project name
        :rtype: :class:`<GitPush> <azure.devops.v5_0.git.models.GitPush>`
        """
        route_values = {}
        if project is not None:
            route_values['project'] = self._serialize.url('project', project, 'str')
        if repository_id is not None:
            route_values['repositoryId'] = self._serialize.url('repository_id', repository_id, 'str')
        content = self._serialize.body(push, 'GitPush')
        response = self._send(http_method='POST',
                              location_id='ea98d07b-3c87-4971-8ede-a613694ffb55',
                              version='5.0',
                              route_values=route_values,
                              content=content)
        return self._deserialize('GitPush', response)