(.venv) amani@amani-ThinkPad-X230:~/Desktop/new/solarpi$ python manage.py server
Traceback (most recent call last):
File "manage.py", line 11, in <module>
from solarpi.app import create_app
File "/home/amani/Desktop/new/solarpi/solarpi/app.py", line 10, in <module>
from solarpi.settings import ...

(.venv) amani@amani-ThinkPad-X230:~/Desktop/new/solarpi$ SOLARPI_ENV=dev SOLARPI_SECRET="xyz" python manage.py db upgrade
Traceback (most recent call last):
File "manage.py", line 43, in <module>
manager.run()
File "/home/amani/Desktop/new/.venv/local/lib/python2.7/site-packages/flask_script ...

Any one with an idea on how to install this web app on ubuntu os

Before the last step, you must add the following in [alembic] to migrations / alembic.ini
: sqlalchemy.url = sqlite: ///dev.db
(development mode )

hello, i really don't understand this point ,can you please beak it