Flask Session Error Resolution: Runtimeerror:the session are unavailable because no secret key was set.

Flask session in Initialization times error: Runtimeerror:the session are unavailable because no secret key was set. Set the Secret_key on the application to something unique and secret.

Flask,
Session session
os

app = Flask (__name__)
app.config[' secret_ KEY '] = Os.urandom (
app)

Workaround: Add app.config[' session_type ' = ' filesystem ' statement

Flask,
Session session
os

app = Flask (__name__)
app.config[' Session_type '] = ' filesystem '
app.config[' secret_key '] = os.urandom session
(APP)