`hydrus serve` gives error

[adi611]

I'm submitting a

• [x] bug report.
• [ ] feature request.

Current Behaviour:

hydrus serve gives error hydrus: no such file or directory

Expected Behaviour:

After hydrus serve we should have a demo up and running on http://localhost:8080/serverapi/

Steps to reproduce:

Follow the instructions to run a demo for hydrus using the sample API, and after running hydrus serve we get error hydrus: no such file or directory

Snapshot:

Environment:

* python version: 3.7 * pip version: 20.0.2 * OS details: Ubuntu 20.04.4 LTS x86_64 ### Do you want to work on this issue? yes