Fix #57 and fix linting errors

coffeebuddy/__init__.py

@@ -45,7 +45,7 @@ def create_app(config=None):
     if config:
         app.config.update(config)
 
-    if app.config["ENV"] in ("development", "prefilled") or app.testing:
+    if app.config.get("ENV") in ("development", "prefilled") or app.testing:
         app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:///:memory:"
 
     @app.teardown_appcontext
@@ -64,7 +64,7 @@ def init_db(app):
 
     if (
         (flask.current_app.config["DB_BACKEND"] == "sqlite" and not os.path.exists("coffee.db"))
-        or flask.current_app.config["ENV"] in ("development", "prefilled")
+        or flask.current_app.config.get("ENV") in ("development", "prefilled")
         or flask.current_app.testing
     ):
         try:
@@ -74,12 +74,14 @@ def init_db(app):
             os._exit(1)
 
     # Default database content
-    if flask.current_app.config["ENV"] == "development":
+    if flask.current_app.config.get("ENV") == "development":
         flask.current_app.db.session.add(
-            coffeebuddy.model.User(tag=bytes.fromhex("01020304"), name="Mustermann", prename="Max", email="[email protected]")
+            coffeebuddy.model.User(
+                tag=bytes.fromhex("01020304"), name="Mustermann", prename="Max", email="[email protected]"
+            )
         )
         flask.current_app.db.session.commit()
-    elif flask.current_app.config["ENV"] == "prefilled":
+    elif flask.current_app.config.get("ENV") == "prefilled":
         flask.current_app.debug = True
         prefill()
 

coffeebuddy/route_pay.py

@@ -18,11 +18,17 @@ def handle_post():
     flask.current_app.db.session.commit()
 
     for payment_notification_email in payment_notification_emails:
-        message_md = f"{user} with bill of {user.unpayed + amount:.2f}€ just entered a payment of **{amount:.2f}€**. Their bill is now {user.unpayed:.2f}€."
+        message_md = (
+            f"{user} with bill of {user.unpayed + amount:.2f}€ "
+            "just entered a payment of **{amount:.2f}€**. Their bill is now {user.unpayed:.2f}€."
+        )
         try:
+            # pylint: disable=possibly-used-before-assignment
             api.messages.create(toPersonEmail=payment_notification_email, markdown=message_md)
         except webexteamssdk.ApiError:
-            logging.getLogger(__name__).exception(f"Could not send webex message for email={payment_notification_email}")
+            logging.getLogger(__name__).exception(
+                f"Could not send webex message for email={payment_notification_email}"
+            )
 
     return flask.redirect(f'coffee.html?tag={flask.request.args["tag"]}')
     # return flask.abort(404)