Update python 3 - Githubissues

Did:

updating the Python version from 2.7 to 3.7 and above and updating all the related libraries and syntax error

clone this Repo
make sure you have a Python version 3.7 or above installed. To check: run "python --version"
Checkout the branch update_python3
run 'source setup.sh' and make sure nothing breaks
reset the database run 'python reset-db.py'
run 'python run.py" and check the application on your browser running.
chick all the taps, add and delete chemicals and nothing breaks and see if they are being saved in the database
check any syntax errors from Python 2 such as print statements