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Is there a reason you are using the vsix vs the marketplace? This would fix that problem
Yep. Due to security policy, internet access is not available on work computers. We decided to share a folder with extensions for everyone to use on a shared drive. Installation from the marketplace works stably, of course.
Can these extensions download anything additional during installation?
I think this would be a question for VS code. We only follow their rules here. ms-python.python has a dependency on ms-python.debugger in the package.json:
Do you get the same error for ms-python.vscode-pylance as well
No. "Pylance" was installed correctly.
The ms-python.debugger has a requirement of python though
Well, I don’t quite understand how it should be... On the one hand, "python" installes "debugpy" because it is an extension pack, and on the other hand, "debugpy" depends on "python"...
In my opinion, an extension pack is just a collection of extensions to install. Isn't it?
Yes, an extension pack is a collection of extensions to install. AFAIK it will still work if it can't install the other extensions though. It doesn't require them to be there.
Extension dependencies are different though. That's a requirement. So the ms-python.debugger extension requires ms-python.python. But not the other way around.
Activity
eleanorjboyd commentedon Jan 8, 2026
Is there a reason you are using the vsix vs the marketplace? This would fix that problem
yazimut commentedon Jan 12, 2026
Yep. Due to security policy, internet access is not available on work computers. We decided to share a folder with extensions for everyone to use on a shared drive. Installation from the marketplace works stably, of course.
Can these extensions download anything additional during installation?
github-actions commentedon Feb 11, 2026
Hey Eleanor Boyd (@eleanorjboyd), this issue might need further attention.
Eugene Azimut (@yazimut), you can help us out by closing this issue if the problem no longer exists, or adding more information.
yazimut commentedon Feb 11, 2026
Issue is active. But I've no idea how can I help you to help me (:
rchiodo commentedon Feb 11, 2026
I think this would be a question for VS code. We only follow their rules here. ms-python.python has a dependency on ms-python.debugger in the package.json:
Do you get the same error for ms-python.vscode-pylance as well?
The ms-python.debugger has a requirement of python though:
So it should work if you install the python extension first and then install the debugger.
yazimut commentedon Feb 11, 2026
No. "Pylance" was installed correctly.
Well, I don’t quite understand how it should be... On the one hand, "python" installes "debugpy" because it is an extension pack, and on the other hand, "debugpy" depends on "python"...
In my opinion, an extension pack is just a collection of extensions to install. Isn't it?
rchiodo commentedon Feb 11, 2026
Yes, an extension pack is a collection of extensions to install. AFAIK it will still work if it can't install the other extensions though. It doesn't require them to be there.
Extension dependencies are different though. That's a requirement. So the ms-python.debugger extension requires ms-python.python. But not the other way around.