# Problem with the lesson Connecting to Tello, in the OpenCV **URL:** \ **Category:** Tello Coding\ **Created:** [March 3, 2021, 7:42pm UTC](https://community.droneblocks.io/t/problem-with-the-lesson-connecting-to-tello-in-the-opencv/102 "2021-03-03T19:42:32Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![juanga](https://avatars.discourse-cdn.com/v4/letter/j/e274bd/32.png) [@juanga](https://community.droneblocks.io/u/juanga)\ **Post date:** [March 3, 2021, 7:42pm UTC](https://community.droneblocks.io/t/problem-with-the-lesson-connecting-to-tello-in-the-opencv/102/1 "2021-03-03T19:42:32Z")
hi everyone, I have a problem with the lesson Connecting to Tello, in the OpenCV, Python, and DroneBlocks for Tello Camera Control, I was trying to connect my Tello to the app.py but that doesn’t work, in the image below is the result of when I connect it to the localhost, but the information about the height or time does not appear, or the angles as it is in the course if someone could help me thank you very much ![image](https://canada1.discourse-cdn.com/flex036/uploads/droneblocks/original/1X/57a2e3efacd7ab2f398d29503d6951f6d99f7d0a.jpeg) my operating system is windows and mi python version is 3.7.4, like the course ---
**Author:** ![dbaldwin](https://avatars.discourse-cdn.com/v4/letter/d/d2c977/32.png) [@dbaldwin](https://community.droneblocks.io/u/dbaldwin)\ **Post date:** [March 6, 2021, 1:04pm UTC](https://community.droneblocks.io/t/problem-with-the-lesson-connecting-to-tello-in-the-opencv/102/2 "2021-03-06T13:04:05Z")
Are you connected to Tello’s network directly from your computer that is running Python? Also, are you using Tello or Tello EDU? Let us know and we should be able to get to the bottom of this. ---
**Author:** ![juanga](https://avatars.discourse-cdn.com/v4/letter/j/e274bd/32.png) [@juanga](https://community.droneblocks.io/u/juanga)\ **Post date:** [March 8, 2021, 5:46pm UTC](https://community.droneblocks.io/t/problem-with-the-lesson-connecting-to-tello-in-the-opencv/102/3 "2021-03-08T17:46:45Z")
yes i am connected direclty from my pc, yes python is running, i’m using tello, but not at the same time to my computer ---
**Author:** ![dbaldwin](https://avatars.discourse-cdn.com/v4/letter/d/d2c977/32.png) [@dbaldwin](https://community.droneblocks.io/u/dbaldwin)\ **Post date:** [March 9, 2021, 9:35pm UTC](https://community.droneblocks.io/t/problem-with-the-lesson-connecting-to-tello-in-the-opencv/102/4 "2021-03-09T21:35:15Z")
I just pulled the code on my PC, installed the Python dependencies, and was able to get it to work: ![app](https://canada1.discourse-cdn.com/flex036/uploads/droneblocks/original/1X/430d48e7777fec102766f0b1319294ec019e181a.jpeg) I wonder if there may be a versioning issue going on with the dependencies. What do you get when you run pip install from the directory of the project? Mine looks like this: ![command](https://canada1.discourse-cdn.com/flex036/uploads/droneblocks/original/1X/fbedfbdca7f208f8a6bcdac746d13afb238cec9c.png) BTW have you updated your Tello firmware from within the Tello app? That’s another thing that sometimes catches us off guard. ---
**Author:** ![juanga](https://avatars.discourse-cdn.com/v4/letter/j/e274bd/32.png) [@juanga](https://community.droneblocks.io/u/juanga)\ **Post date:** [March 9, 2021, 11:31pm UTC](https://community.droneblocks.io/t/problem-with-the-lesson-connecting-to-tello-in-the-opencv/102/5 "2021-03-09T23:31:59Z")
what version of python did you use? i’m using python 3.7.4, my tello has updated the firmware, ![image](https://canada1.discourse-cdn.com/flex036/uploads/droneblocks/original/1X/22d340f7d4346c6828cb4029f836a441bd3a6451.png) ![image](https://canada1.discourse-cdn.com/flex036/uploads/droneblocks/original/1X/fe3c3d10991dfa006dc0d33e66a2a50c01746199.png) ---
**Author:** ![juanga](https://avatars.discourse-cdn.com/v4/letter/j/e274bd/32.png) [@juanga](https://community.droneblocks.io/u/juanga)\ **Post date:** [March 9, 2021, 11:38pm UTC](https://community.droneblocks.io/t/problem-with-the-lesson-connecting-to-tello-in-the-opencv/102/6 "2021-03-09T23:38:03Z")
I already solved it, it was a problem in the network, by default the connection network to the tello was public, I changed it to private and it was solved thank you very much ---
**Author:** ![dbaldwin](https://avatars.discourse-cdn.com/v4/letter/d/d2c977/32.png) [@dbaldwin](https://community.droneblocks.io/u/dbaldwin)\ **Post date:** [March 10, 2021, 5:02pm UTC](https://community.droneblocks.io/t/problem-with-the-lesson-connecting-to-tello-in-the-opencv/102/7 "2021-03-10T17:02:13Z")
Nice work. I haven’t seen this before but very good to know.