Out of the box Docker installation - Server Could not start - Python Error in dash_marvinjs/init.py

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Steps to Reproduce:

• Cloned repo into folder project/
• Downloaded and extracted mjs folder from ChemAxon website, pasted in project/mjs
• cd into project, making sure Dockerfiles are in current directory
• Followed Docker installation instruction as given on README
  docker build -f Dockerfile_with_jupyter . -t repathdb:jupyter
  (command completes successfully)
• Tried started docker image in interative mode, with below command,
  docker run -it -p 5432:5432 -p 5000:5000 -p 7474:7474 -p 7687:7687 -p 9999:9999 repathdb:jupyter

Got Below Error:

Seems like syntax error in one of the included modules, possibly due to Python version.