use conda in travis jobs
use conda in travis jobs

log0ymxm/pyLDAvis,bmabey/pyLDAvis,kcompher/pyLDAvis,codingafuture/pyLDAvis,codingafuture/pyLDAvis,kcompher/pyLDAvis,log0ymxm/pyLDAvis,bmabey/pyLDAvis,bloody76/pyLDAvis,codingafuture/pyLDAvis,napsternxg/pyLDAvis,bloody76/pyLDAvis,bmabey/pyLDAvis,kcompher/pyLDAvis,tdhopper/pyLDAvis,napsternxg/pyLDAvis,log0ymxm/pyLDAvis,tdhopper/pyLDAvis,tdhopper/pyLDAvis,bloody76/pyLDAvis,napsternxg/pyLDAvis