# Problem 3 on using OpenTPS as a beginner

**URL:** <https://opentps.discourse.group/t/problem-3-on-using-opentps-as-a-beginner/55>\
**Category:** General\
**Created:** [February 21, 2025, 2:28pm UTC](https://opentps.discourse.group/t/problem-3-on-using-opentps-as-a-beginner/55 "2025-02-21T14:28:43Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Yuchen](https://avatars.discourse-cdn.com/v4/letter/y/48db29/32.png) [@Yuchen](https://opentps.discourse.group/u/Yuchen)\
**Post date:** [February 21, 2025, 2:28pm UTC](https://opentps.discourse.group/t/problem-3-on-using-opentps-as-a-beginner/55/1 "2025-02-21T14:28:43Z")

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Here is the third problem I have:  
I tried to run the sample code at Gitlab ([[opentps\_core/opentps/core/examples/doseComputation/photonPlanCreationAndDoseCalculation.py · master · Open-MCsquare / OpenTPS · GitLab](https://gitlab.com/openmcsquare/opentps/-/blob/master/opentps_core/opentps/core/examples/doseComputation/photonPlanCreationAndDoseCalculation.py?ref_type=heads)) but I cannot import some of the module so the code is not working:  
 ![image](https://global.discourse-cdn.com/free1/uploads/opentps/optimized/1X/605a1259e3afadaa4a5931c540596a046f3c9c21_2_690x39.png)  
It may be because of the versions of the code, and please help.

Again, thank you very much for providing this platform and please help me to solve this issues.  
Best  
YC