tweak step 2 in reporting errors for flask apps

Author: mattmakai

README.md

@@ -7,6 +7,7 @@ Posts and associated code:
 
 |Post|Code Directory|
 |---|---|
+|[Learning pandas by Exploring COVID-19 Data](https://www.fullstackpython.com/blog/learn-pandas-basic-commands-explore-covid-19-data.html)|[pandas-covid-19](./pandas-covid-19)|
 |[Adding Okta Authentication to an Existing Flask Web App](https://www.fullstackpython.com/blog/okta-user-auth-existing-flask-web-app.html)|[auth-existing-flask-app](./auth-existing-flask-app)|
 |[Fresh Tutorials on Full Stack Python](https://www.fullstackpython.com/blog/fresh-tutorials-october-2018.html)|No code in post.|
 |[How to Provision Ubuntu 18.04 LTS Linux Servers on DigitalOcean](https://www.fullstackpython.com/blog/provision-ubuntu-1804-linux-servers-digitalocean.html)|No code in post.|

report-errors-flask-web-apps-sentry/step2/app.py

@@ -6,9 +6,7 @@
 
 
 sentry_sdk.init(
-    dsn="https://{}.ingest.sentry.io/{}".format(os.getenv('SENTRY_KEY'),
-                                                os.getenv('SENTRY_APP_ID')),
-    integrations=[FlaskIntegration()]
+    dsn=os.getenv('SENTRY_DSN'), integrations=[FlaskIntegration()]
 )