  - matplotlib=2.2.2
  - pandas=0.23.2
  - pip:
    - mxnet==1.5.0b20181215
    - gluonbook==0.8.8
 
</s> remove   - gluonbook==0.8.8
 </s> add   - gluonbook==0.8.9 </s> remove                 epoch + 1, math.exp(l_sum / (t + 1)), time.time() - start))
 </s> add                 epoch + 1, math.exp(l_sum / n), time.time() - start)) </s> remove                 epoch + 1, math.exp(l_sum / (t + 1)), time.time() - start))
 </s> add                 epoch + 1, math.exp(l_sum / n), time.time() - start)) </s> remove               % (epoch, train_l_sum / len(train_iter),
                 train_acc_sum / len(train_iter), test_acc, time.time() - start))
 </s> add               % (epoch + 1, train_l_sum / n, train_acc_sum / n, test_acc,
                 time.time() - start)) </s> remove             l_sum += l.asscalar()
 </s> add             l_sum += l.asscalar() * y.size
            n += y.size
  - gluonbook==0.8.9
  - matplotlib=2.2.2
  - pandas=0.23.2
  - pip:
    - mxnet==1.5.0b20181215
  - gluonbook==0.8.9
keep keep keep keep replace
 gb 0.8.9, fix acc, loss computations 
environment.yml