How to use the jovian.utils.api.get_gist function in jovian

if project is None:
        return None, None

    # Get project metadata for UUID & username/title
    if is_uuid(project):
        project_title = None
        metadata = api.get_gist(project)
    elif '/' in project:
        project_title = project.split('/')[1]
        username = api.get_current_user()['username']
        metadata = api.get_gist(project)
    # Attach username to the title
    else:
        project_title = project
        username = api.get_current_user()['username']
        metadata = api.get_gist(username + '/' + project)

    # Skip if metadata could not be found
    if not metadata:
        log('Creating a new project "' + username + '/' + project_title + '"')
        return project_title, None

    # Extract information from metadata
    username = metadata['owner']['username']
    project_title = metadata['title']
    project_id = metadata['slug']

    # Check if the current user can commit to this project
    permissions = api.get_gist_access(project_id)
    if not permissions['write']:
        return project_title, None

if not new_project and project is None:
        # From in-memory variable
        if current_slug is not None:
            project = current_slug
        # From .jovianrc file
        else:
            project = get_notebook_slug(filename)

    # Skip if project is not provided & can't be read
    if project is None:
        return None, None

    # Get project metadata for UUID & username/title
    if is_uuid(project):
        project_title = None
        metadata = api.get_gist(project)
    elif '/' in project:
        project_title = project.split('/')[1]
        username = api.get_current_user()['username']
        metadata = api.get_gist(project)
    # Attach username to the title
    else:
        project_title = project
        username = api.get_current_user()['username']
        metadata = api.get_gist(username + '/' + project)

    # Skip if metadata could not be found
    if not metadata:
        log('Creating a new project "' + username + '/' + project_title + '"')
        return project_title, None

    # Extract information from metadata

# From .jovianrc file
        else:
            project = get_notebook_slug(filename)

    # Skip if project is not provided & can't be read
    if project is None:
        return None, None

    # Get project metadata for UUID & username/title
    if is_uuid(project):
        project_title = None
        metadata = api.get_gist(project)
    elif '/' in project:
        project_title = project.split('/')[1]
        username = api.get_current_user()['username']
        metadata = api.get_gist(project)
    # Attach username to the title
    else:
        project_title = project
        username = api.get_current_user()['username']
        metadata = api.get_gist(username + '/' + project)

    # Skip if metadata could not be found
    if not metadata:
        log('Creating a new project "' + username + '/' + project_title + '"')
        return project_title, None

    # Extract information from metadata
    username = metadata['owner']['username']
    project_title = metadata['title']
    project_id = metadata['slug']