fix accuracy computation

dvclive/train/metrics.json

@@ -1,7 +1,7 @@
 {
-    "train_loss": 2.2422571182250977,
-    "train_acc": 0.7347080707550049,
-    "valid_loss": 2.3184266090393066,
-    "valid_acc": 0.7381500005722046,
+    "train_loss": 2.2407546043395996,
+    "train_acc": 0.22537143528461456,
+    "valid_loss": 2.324389696121216,
+    "valid_acc": 0.20746666193008423,
     "step": 4
 }

dvclive/train/plots/metrics/train_acc.tsv

@@ -1,6 +1,6 @@
 step	train_acc
-0	0.6712241768836975
-1	0.6976224184036255
-2	0.7157850861549377
-3	0.7277812957763672
-4	0.7347080707550049
+0	0.0997999981045723
+1	0.13202856481075287
+2	0.16345714032649994
+3	0.19614285230636597
+4	0.22537143528461456

dvclive/train/plots/metrics/train_loss.tsv

@@ -1,6 +1,6 @@
 step	train_loss
-0	3.0726168155670166
-1	2.7409346103668213
-2	2.5224294662475586
-3	2.364570140838623
-4	2.2422571182250977
+0	3.096755027770996
+1	2.749246120452881
+2	2.522728681564331
+3	2.3631479740142822
+4	2.2407546043395996

dvclive/train/plots/metrics/valid_acc.tsv

@@ -1,6 +1,6 @@
 step	valid_acc
-0	0.6918894052505493
-1	0.7131190896034241
-2	0.7261338233947754
-3	0.7339118123054504
-4	0.7381500005722046
+0	0.10953333228826523
+1	0.13466666638851166
+2	0.15913332998752594
+3	0.18406666815280914
+4	0.20746666193008423

dvclive/train/plots/metrics/valid_loss.tsv

@@ -1,6 +1,6 @@
 step	valid_loss
-0	2.890321969985962
-1	2.669679880142212
-2	2.5183584690093994
-3	2.4061686992645264
-4	2.3184266090393066
+0	2.919710636138916
+1	2.68220853805542
+2	2.524806022644043
+3	2.4115779399871826
+4	2.324389696121216

dvclive/train/report.md

@@ -10,7 +10,7 @@ metrics.json
 
 |   train_loss |   train_acc |   valid_loss |   valid_acc |   step |
 |--------------|-------------|--------------|-------------|--------|
-|      2.24226 |    0.734708 |      2.31843 |     0.73815 |      4 |
+|      2.24075 |    0.225371 |      2.32439 |    0.207467 |      4 |
 
 ![static/valid_loss](static/valid_loss.png)