decouple.py Error

[arunk624]

Theres an error when we run the project because decouple.py file

This is the error occuring.
\decouple.py", line 92, in get
raise UndefinedValueError('{} not found. Declare it as envvar or define a default value.'.format(option))
decouple.UndefinedValueError: SECRET_KEY not found. Declare it as envvar or define a default value.