A environment problem

[BruceWang01]

Thanks for your work.
I met some problem about conda environment creating. The error as follow. Please tell me how to solve thie problem.

$ conda env create

Channels:
 - defaults
 - pytorch
Platform: linux-64
Collecting package metadata (repodata.json): done
Solving environment: failed
Channels:
 - defaults
 - pytorch
Platform: linux-64
Collecting package metadata (repodata.json): done
Solving environment: failed

LibMambaUnsatisfiableError: Encountered problems while solving:
  - package pytorch-1.5.0-cpu_py37hd91cbb3_0 requires python >=3.7,<3.8.0a0, but none of the providers can be installed

Could not solve for environment specs
The following packages are incompatible
├─ python 3.8.3  is requested and can be installed;
└─ pytorch 1.5.0  is not installable because it requires
   └─ python >=3.7,<3.8.0a0 , which conflicts with any installable versions previously reported.