Added explicit python versioning. #2
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On a system running python-3.7.9 locally, if I
git cloneminimal-heroku-demo and local deploy withpanel serve, the app displays correctly in the browser. Heroku's default build with python 3.6.12, however, results in a nominally "successful" build (according to the logs), but the browser displays a blank page at the heroku app URL.Adding a
runtime.txtwith contentspython-3.7.9for explicit python versioning resolves this issue. Heroku then builds with python-3.7.9 and the heroku app displays as expected.When I raised this on this HoloViz thread, @MarcSkovMadsen pointed out that python 3.6 is a supported version for panel; per his suggestion, I will submit this issue separately as a bug to panel. Prior to that bug being resolved, however, explicit python versioning allows minimal-heroku-demo to work as intended.
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