There was an error loading this notebook. Ensure that the file is accessible and try again.

Ensure that you have permission to view this notebook in GitHub and authorize Colab to use the GitHub API.

https://github.com/mbk-dev/okama/blob/master/examples/03%20investment%20portfolios 
Could not find 03 investment portfolios in https://api.github.com/repos/mbk-dev/okama/contents/examples?per_page=100&ref=master
CustomError: Could not find 03 investment portfolios in https://api.github.com/repos/mbk-dev/okama/contents/examples?per_page=100&ref=master
    at new nM (https://ssl.gstatic.com/colaboratory-static/common/8f8a028fad0fa8abbc0689c7520a5a43/external_binary.js:2449:68)
    at ua.program_ (https://ssl.gstatic.com/colaboratory-static/common/8f8a028fad0fa8abbc0689c7520a5a43/external_binary.js:2436:442)
    at ya (https://ssl.gstatic.com/colaboratory-static/common/8f8a028fad0fa8abbc0689c7520a5a43/external_binary.js:16:57)
    at ua.next_ (https://ssl.gstatic.com/colaboratory-static/common/8f8a028fad0fa8abbc0689c7520a5a43/external_binary.js:14:195)
    at kaa.next (https://ssl.gstatic.com/colaboratory-static/common/8f8a028fad0fa8abbc0689c7520a5a43/external_binary.js:17:48)
    at b (https://ssl.gstatic.com/colaboratory-static/common/8f8a028fad0fa8abbc0689c7520a5a43/external_binary.js:17:309)
 Authorize with GitHub