formatting

examples/docker-flask/app.py

@@ -1,3 +1,4 @@
+"""Example for a flask application."""
 from flask import Flask
 
 from escpos.printer import CupsPrinter
@@ -8,6 +9,7 @@ app = Flask(__name__)
 
 @app.route("/", methods=["GET"])
 def do_print():
+    """Print."""
     # p = Usb(0x04b8, 0x0e28, 0)
     p = CupsPrinter(host="localhost", port=631, printer_name="TM-T20III")
     p.text("Hello World\n")