Equivqlent of docker run --expose {port} in docker-py

Hi

I've been trying to expose ports with this library as you would with docker create --expose 80 but have been unable to. I can't seem to find anything in the documentation on how to do this.
Any help would be appreciated.

OS: Ubuntu 18.04

~$ pip3 freeze | grep docker && python3 --version && docker version
docker==3.6.0
docker-pycreds==0.4.0
Python 3.6.7
Client:
 Version:           18.09.0
 API version:       1.39
 Go version:        go1.10.4
 Git commit:        4d60db4
 Built:             Wed Nov  7 00:49:01 2018
 OS/Arch:           linux/amd64
 Experimental:      false

Server: Docker Engine - Community
 Engine:
  Version:          18.09.0
  API version:      1.39 (minimum version 1.12)
  Go version:       go1.10.4
  Git commit:       4d60db4
  Built:            Wed Nov  7 00:16:44 2018
  OS/Arch:          linux/amd64
  Experimental:     false

No file, test, or entry point is named. Start by checking the docker-py documentation and its Docker Engine API handling for the equivalent of docker create --expose 80; done means identifying whether an existing Python call supports this and documenting or implementing the missing behavior.