config.py

from decouple import config
import os

#different configs for dev and test
SQLALCHEMY_DATABASE_URI = config("TEST_DATABASE_URL")
class Config(object):
    DEBUG = False
    TESTING = False
    CSRF_ENABLED = True
    SECRET_KEY = config("SECRET_KEY", default="guess-me")
    SQLALCHEMY_DATABASE_URI = config("DATABASE_URL")
    SQLALCHEMY_TRACK_MODIFICATIONS = False
    BCRYPT_LOG_ROUNDS = 12
    WTF_CSRF_ENABLED = True
    DEBUG_TB_ENABLED = False
    DEBUG_TB_INTERCEPT_REDIRECTS = False

class DevelopmentConfig(Config):
    DEVELOPMENT = True
    DEBUG = True
    WTF_CSRF_ENABLED = False
    DEBUG_TB_ENABLED = True

class TestingConfig(Config):
    TESTING = True
    DEBUG = True
    SQLALCHEMY_DATABASE_URI = config("TEST_DATABASE_URL")
    BCRYPT_LOG_ROUNDS = 1
    WTF_CSRF_ENABLED = False