Step 2: Importing Modules

In order to integrate the software module in your oTree project the following three modules have to be imported at the top of the models.py file of your oTree app.

• smtblib: Used to send the automated email.

• requests: Used to obtain the current CO2 price.

• traceback: Used for error handling purposes.

The top of your models.py file should look like this:

from otree.api import (
    models,
    widgets,
    BaseConstants,
    BaseSubsession,
    BaseGroup,
    BasePlayer,
    Currency as c,
    currency_range,
)
import smtplib
import requests
import traceback
#import everything else you need here