fix: remove stray quote from Flask port configuration

Author: 6-keem

myapp/main.py

@@ -7,4 +7,4 @@ def hello_world():
     return 'hello world!'
 
 if __name__ == '__main__':
-    app.run(host='0.0.0.0', port=8001')
+    app.run(host='0.0.0.0', port=8001)