python 3.8 (conda & pip) travis tests (#282)
python 3.8 (conda & pip) travis tests (#282)


NeuralEnsemble/elephant,alperyeg/elephant,JuliaSprenger/elephant,INM-6/elephant,apdavison/elephant,NeuralEnsemble/elephant,INM-6/elephant,apdavison/elephant,mdenker/elephant,alperyeg/elephant,INM-6/elephant,mdenker/elephant,mdenker/elephant,NeuralEnsemble/elephant