Adding a script to create individual Github issues for each Asana tasks. Dependencies are Python 2.7 runtime, asana (https://pypi.org/project/asana/) and PyGithub (https://pypi.org/project/PyGithub/).

asana_tasks_to_github_issues.py

#! /usr/bin/env python
# -*- coding: utf-8 -*-
"""Automated script to create Asana tasks to Github issues

Python version:
    2.7

Build:
    Installing Python packages:
        pip install asana PyGithub

    Environment variables: Define below environment variables.

        1. ASANA_PERSONAL_ACCESS_TOKEN: Personal access token created at Asana.
        Perform steps mentioned at
        https://asana.com/guide/help/api/api#gl-access-tokens for creating a
        personal access token.

        2. ASANA_PROJECT_ID: An id of project from which this script will fetch
        tasks and create an Github issue.

        3. GITHUB_ACCESS_TOKEN: Access token created at Github. Perform steps
        mentioned at
        https://help.github.com/articles/creating-a-personal-access-token-for-the-command-line/

        4. GITHUB_REPOSITORY: A repository where this script will create
        issues. For example, 'ultimatecoder/arjun' is an appropriate repository
        name.

Usage:
    python asana_task_to_github_issue.py
"""
import os
import sys

import asana
import github


REQUIRED_VARIABLES = [
    'ASANA_PERSONAL_ACCESS_TOKEN',
    'ASANA_PROJECT_ID',
    'GITHUB_ACCESS_TOKEN',
    'GITHUB_REPOSITORY'
]

try:
    # Asana variables
    ASANA_PERSONAL_ACCESS_TOKEN = os.environ['ASANA_PERSONAL_ACCESS_TOKEN']
    ASANA_PROJECT_ID = os.environ['ASANA_PROJECT_ID']

    # Github variables
    GITHUB_ACCESS_TOKEN = os.environ['GITHUB_ACCESS_TOKEN']
    GITHUB_REPOSITORY = os.environ['GITHUB_REPOSITORY']
except KeyError as e:
    for variable in REQUIRED_VARIABLES:
        if variable in e.message:
            print("Missing value for %s in environment variable." % (variable))
            sys.exit(1)


asana_client = asana.Client.access_token(ASANA_PERSONAL_ACCESS_TOKEN)
github_client = github.Github(GITHUB_ACCESS_TOKEN)

repository = github_client.get_repo(GITHUB_REPOSITORY)

for task in asana_client.projects.tasks(ASANA_PROJECT_ID):
    print("Creating issue for %s..." % (task['name']))
    repository.create_issue(title=task['name'])
    print("Created issue for %s !" % (task['name']))