def split_window(vertical=True, horizontal=False, command=None):
    option = "-v" if vertical else "-h"

    if command:
        option += " \"" + command + "\""

    call("split-window " + option)
Template name sould be message_form_embedded.html if embed in GET
dataset/ETHPy150Open ton1517/ttop/ttop/tmux.py/split_window--crossover with--dataset/ETHPy150Open ofa/connect/open_connect/connectmessages/tests/test_views.py/MessageCreateViewTest.test_get_template_name_embedded