Running into Errors in the Jupyter Notebooks

[Dominique Hughes]

Hello,

I am trying to run TVB from the python code and am working through the examples in the Jupyter notebooks. I am running into an error in the "interacting with the framework" notebook. In the third line of code, when I try to create a new project with the code line 'proj = new_project("sandbox")' I am getting this error:

--------------------------------------------------------------------------- KeyError Traceback (most recent call last) Cell In[3], line 1 ----> 1 proj = new_project("sandbox") File ~\OneDrive\Desktop\TVB_Distribution\tvb_data\Lib\site-packages\tvb\interfaces\command\lab.py:87, in new_project(name) 85 def new_project(name): 86 usr = UserService.get_administrators()[0] ---> 87 proj = ProjectService().store_project(usr, True, None, name=name, description=name, users=[usr]) 88 return proj File ~\OneDrive\Desktop\TVB_Distribution\tvb_data\Lib\site-packages\tvb\core\services\project_service.py:108, in ProjectService.store_project(self, current_user, is_create, selected_id, **data) 106 raise ProjectServiceException("A project can not be renamed while operations are still running!") 107 if is_create: --> 108 current_proj = Project(new_name, current_user.id, data["max_operation_size"], data["description"], 109 data["disable_imports"]) 110 self.storage_interface.get_project_folder(current_proj.name) 111 else: KeyError: 'max_operation_size'

Any help or guidance would be appreciated! If you have any questions, let me know.

Best,

Dominique Hughes

[Lia Domide]

Hi Dominique,

Thanks for writing us. There is indeed a bug in TVB_Distribution version 2.7.2

It was fixed at this commit https://github.com/the-virtual-brain/tvb-root/commit/dd53966d73b90dff496cc855b213df61275a1deb#diff-e68176c3933ca5cbe31e0ce7e12a3c7612b1032f6c25c32bbfed68907a4591aa

(see changes in lab.py, in function new_project).

To overcome this problem, you could:

- wait for a future TVB_Distribution release (it should come in max one month)

- or patch your local distribution:
  - ~\OneDrive\Desktop\TVB_Distribution\tvb_data\Lib\site-packages\tvb\interfaces\command\lab.py
   - line 87 from proj = ProjectService().store_project(usr, True, None, name=name, description=name, users=[usr])

   - should be: proj = ProjectService().store_project(usr, True, None, name=name, description=name, users=[usr], max_operation_size=1024, disable_imports=False)

Let me know how these are working for you,

Best,

Lia.

[Dominique Hughes]

Hi,

I used your fix to patch my local distribution and just finished running the notebook! Thank you so much for your help.

Best,

Dominique Hughes

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