revert unnecessary changes

10-debugger.py

@@ -1,11 +1,7 @@
 from flask import Flask, render_template
-from flask_debugtoolbar import DebugToolbarExtension
 
 import random
 app = Flask(__name__)
-app.config['SECRET_KEY'] = '<replace with a secret key>'
-app.debug = True
-toolbar = DebugToolbarExtension(app)
 
 @app.route('/')
 def index():
@@ -16,4 +12,4 @@ def index():
         raise Exception("Bad luck")
 
 if __name__ == '__main__':
-    app.run(debug=True)
+    app.run(debug=False)