i used this computer 15-17 hours ago,now again using it and again facing same problem, now even with num_workers = 0 my code is not working and giving OOM,here is my nvidia-smi
+-----------------------------------------------------------------------------+
Sun Jan 31 19:04:53 2021
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 457.51       Driver Version: 457.51       CUDA Version: 11.1     |
|-------------------------------+----------------------+----------------------+
| GPU  Name            TCC/WDDM | Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  GeForce RTX 306... WDDM  | 00000000:09:00.0  On |                  N/A |
| 59%   50C    P2   112W / 240W |   8033MiB /  8192MiB |    100%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+

+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|    0   N/A  N/A      1320    C+G   ...5n1h2txyewy\SearchApp.exe    N/A      |
|    0   N/A  N/A      3236    C+G   ...lication\WebCompanion.exe    N/A      |
|    0   N/A  N/A      5468    C+G   ...ekyb3d8bbwe\YourPhone.exe    N/A      |
|    0   N/A  N/A      6264      C   ...a3\envs\kaggle\python.exe    N/A      |
|    0   N/A  N/A      7136      C   Insufficient Permissions        N/A      |
|    0   N/A  N/A      7908    C+G   ...me\Application\chrome.exe    N/A      |
|    0   N/A  N/A      8560    C+G   ...5n1h2txyewy\SearchApp.exe    N/A      |
|    0   N/A  N/A     10632    C+G   C:\Windows\explorer.exe         N/A      |
|    0   N/A  N/A     11108    C+G   Insufficient Permissions        N/A      |
|    0   N/A  N/A     11744    C+G   ...artMenuExperienceHost.exe    N/A      |
|    0   N/A  N/A     11984    C+G   ...nputApp\TextInputHost.exe    N/A      |
|    0   N/A  N/A     13232    C+G   ...cw5n1h2txyewy\LockApp.exe    N/A      |
+-----------------------------------------------------------------------------+