Add .map_data after DictMappers in test_run_transformers_DC2.py

[OliviaLynn]

For #17

Without the .map_datas, running this would give:

ERROR [12/05 09:50:52 d2.engine.train_loop]: Exception during training:
Traceback (most recent call last):
  File "/home/olynn/detectron2/detectron2/engine/train_loop.py", line 155, in train
    self.run_step()
  File "/home/olynn/deepdisc/src/deepdisc/training/trainers.py", line 52, in run_step
    data = next(self._data_loader_iter)
  File "/home/olynn/detectron2/detectron2/data/common.py", line 329, in __iter__
    for d in self.dataset:
  File "/home/olynn/.conda/envs/ddr/lib/python3.9/site-packages/torch/utils/data/dataloader.py", line 628, in __next__
    data = self._next_data()
  File "/home/olynn/.conda/envs/ddr/lib/python3.9/site-packages/torch/utils/data/dataloader.py", line 1333, in _next_data
    return self._process_data(data)
  File "/home/olynn/.conda/envs/ddr/lib/python3.9/site-packages/torch/utils/data/dataloader.py", line 1359, in _process_data
    data.reraise()
  File "/home/olynn/.conda/envs/ddr/lib/python3.9/site-packages/torch/_utils.py", line 543, in reraise
    raise exception
TypeError: Caught TypeError in DataLoader worker process 0.
Original Traceback (most recent call last):
  File "/home/olynn/.conda/envs/ddr/lib/python3.9/site-packages/torch/utils/data/_utils/worker.py", line 302, in _worker_loop
    data = fetcher.fetch(index)
  File "/home/olynn/.conda/envs/ddr/lib/python3.9/site-packages/torch/utils/data/_utils/fetch.py", line 34, in fetch
    data.append(next(self.dataset_iter))
  File "/home/olynn/detectron2/detectron2/data/common.py", line 296, in __iter__
    yield self.dataset[idx]
  File "/home/olynn/detectron2/detectron2/data/common.py", line 125, in __getitem__
    data = self._map_func(self._dataset[cur_idx])
  File "/home/olynn/detectron2/detectron2/utils/serialize.py", line 26, in __call__
    return self._obj(*args, **kwargs)
TypeError: 'DictMapper' object is not callable

saving Swin_test
Traceback (most recent call last):
  File "/home/olynn/deepdisc/test_run_transformers_DC2.py", line 190, in <module>
    launch(
  File "/home/olynn/detectron2/detectron2/engine/launch.py", line 84, in launch
    main_func(*args)
  File "/home/olynn/deepdisc/test_run_transformers_DC2.py", line 176, in main
    trainer.train(0, 20)
  File "/home/olynn/detectron2/detectron2/engine/train_loop.py", line 155, in train
    self.run_step()
  File "/home/olynn/deepdisc/src/deepdisc/training/trainers.py", line 52, in run_step
    data = next(self._data_loader_iter)
  File "/home/olynn/detectron2/detectron2/data/common.py", line 329, in __iter__
    for d in self.dataset:
  File "/home/olynn/.conda/envs/ddr/lib/python3.9/site-packages/torch/utils/data/dataloader.py", line 628, in __next__
    data = self._next_data()
  File "/home/olynn/.conda/envs/ddr/lib/python3.9/site-packages/torch/utils/data/dataloader.py", line 1333, in _next_data
    return self._process_data(data)
  File "/home/olynn/.conda/envs/ddr/lib/python3.9/site-packages/torch/utils/data/dataloader.py", line 1359, in _process_data
    data.reraise()
  File "/home/olynn/.conda/envs/ddr/lib/python3.9/site-packages/torch/_utils.py", line 543, in reraise
    raise exception
TypeError: Caught TypeError in DataLoader worker process 0.
Original Traceback (most recent call last):
  File "/home/olynn/.conda/envs/ddr/lib/python3.9/site-packages/torch/utils/data/_utils/worker.py", line 302, in _worker_loop
    data = fetcher.fetch(index)
  File "/home/olynn/.conda/envs/ddr/lib/python3.9/site-packages/torch/utils/data/_utils/fetch.py", line 34, in fetch
    data.append(next(self.dataset_iter))
  File "/home/olynn/detectron2/detectron2/data/common.py", line 296, in __iter__
    yield self.dataset[idx]
  File "/home/olynn/detectron2/detectron2/data/common.py", line 125, in __getitem__
    data = self._map_func(self._dataset[cur_idx])
  File "/home/olynn/detectron2/detectron2/utils/serialize.py", line 26, in __call__
    return self._obj(*args, **kwargs)
TypeError: 'DictMapper' object is not callable

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (eccedb4) 12.83% compared to head (2cc6064) 12.83%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #72   +/-   ##
=======================================
  Coverage   12.83%   12.83%           
=======================================
  Files          22       22           
  Lines        3458     3458           
=======================================
  Hits          444      444           
  Misses       3014     3014           

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[drewoldag]

Looks pretty reasonable to me.