iTerm 2 open all my tabs and panes

gistfile1.txt

#!/usr/bin/env python3

import iterm2
# To install, update, or remove packages from PyPI, use Scripts > Manage > Manage Dependencies...

async def main(connection):
    # Your code goes here. Here's a bit of example code that adds a tab to the current window:
    app = await iterm2.async_get_app(connection)
    window = app.current_terminal_window
    window = await window.async_create(connection)

    if window is not None:
        ### TAB 1
        tab1 = window.current_tab

        # Top Left
        tab1_session_topLeft = tab1.current_session
        await tab1_session_topLeft.async_send_text("cd ~/Projects/reaction/reaction-platform/reaction\n")

        # Top Right
        tab1_session_topRight = await tab1_session_topLeft.async_split_pane(vertical=True)
        await tab1_session_topRight.async_send_text("cd ~/Projects/reaction/reaction-platform/reaction-identity\n")

        # Bottom Left
        tab1_session_bottomLeft = await tab1_session_topLeft.async_split_pane(vertical=False)
        await tab1_session_bottomLeft.async_send_text("cd ~/Projects/reaction/reaction-platform/reaction\n")

        # Bottom Right
        tab1_session_bottomRight = await tab1_session_topRight.async_split_pane(vertical=False)
        await tab1_session_bottomRight.async_send_text("cd ~/Projects/reaction/reaction-platform/reaction-hydra\n")

        ### TAB 2
        tab2 = await window.async_create_tab()

        # Top Left
        tab2_session_topLeft = tab2.current_session
        await tab2_session_topLeft.async_send_text("cd ~/Projects/reaction/reaction-admin\n")

        # Top Right
        tab2_session_topRight = await tab2_session_topLeft.async_split_pane(vertical=True)
        await tab2_session_topRight.async_send_text("cd ~/Projects/reaction/reaction-platform/example-storefront\n")

        # Bottom Left
        tab2_session_bottomLeft = await tab2_session_topLeft.async_split_pane(vertical=False)
        await tab2_session_bottomLeft.async_send_text("cd ~/Projects/reaction/reaction-admin\n")

        # Bottom Right
        tab2_session_bottomRight = await tab2_session_topRight.async_split_pane(vertical=False)
        await tab2_session_bottomRight.async_send_text("cd ~/Projects/reaction/reaction-platform/example-storefront\n")
    else:
        # You can view this message in the script console.
        print("No current window")

iterm2.run_until_complete(main)