changed PY36 constant naming to be more explicit for versions >=3.6#1509

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jonmmease merged 1 commit intoplotly:masterfrom

mprostock:Change_PY36_const_naming

Apr 9, 2019

Commits on Apr 9, 2019

changed PY36 constant naming to be more explicit for versions >=3.6 as suggested by @nicholaskruchten
Marc P. Rostock
committed