Test fixing setup gpio.

webapp.py

@@ -3,8 +3,17 @@
 
 from flask import Flask
 import led
+import os
 
-app = Flask(__name__)
+class MyFlask(Flask):
+
+    def run(self, host=None, port=None, debug=None, load_dotenv=True, **options):
+        if not self.debug or os.getenv("WERKZEUG_RUN_MAIN") == 'true':
+            with self.app_context():
+                led.setup()
+        super(MyFlask, self).run(host=host, port=port, debug=debug, load_dotenv=load_dotenv, **options)
+
+app = MyFlask(__name__)
 
 @app.route('/')
 def index():
@@ -41,7 +50,4 @@ def lampeggia():
     led.lampeggia()
     return "LED ha lampeggiato."
 
-if __name__ == '__main__':
+app.run()
-    with app.app_context():
-        led.setup()
-    app.run()