Merge branch 'master' into lag2eul

map2map/data/__init__.py

@@ -1,2 +1 @@
 from .fields import FieldDataset
-from .sampler import GroupedRandomSampler

map2map/data/sampler.py

@@ -1,3 +1,6 @@
+"""
+Deprecated for use of memmap in place of cache
+"""
 from itertools import chain
 import torch
 from torch.utils.data import Sampler

map2map/train.py

@@ -14,7 +14,7 @@ from torch.utils.data.distributed import DistributedSampler
 from torch.utils.data import DataLoader
 from torch.utils.tensorboard import SummaryWriter
 
-from .data import FieldDataset, GroupedRandomSampler
+from .data import FieldDataset
 from .data.figures import plt_slices
 from . import models
 from .models import (narrow_like, resample, Lag2Eul,