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### Prerequisites
Please put an X between the brackets as you perform the following steps:
* [x] Check that your issue is not already filed:
https://github.com/leanprover/lean4/issues
* …
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**Description**
What happened?
There seems to be a bug in data_extraction.py which crops up as an IndexError
{
"name": "RayTaskError(IndexError)",
"message": "ray::_TracedRepoHelper.parse_tra…
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### Prerequisites
Please put an X between the brackets as you perform the following steps:
* [x] Check that your issue is not already filed:
https://github.com/leanprover/lean4/issues
* …
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Hi, I encountered an exception while trying to extract all tactic applications in Mathlib:
```bash
PANIC at List.head! Init.Data.List.BasicAux:32:12: empty list
backtrace:
[././.lake/packages/RE…
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#### Expected Behavior
QuantConnect Docs (under Lean Engine) documents Lean Data Format for supported securities instead of the Lean Repo. The Lean repo links to docs.
#### Actual Behavior
The Le…
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On hold. We depend on `import Lean` via socket -> alloy -> lean. I don't think there's much to be done until lean 4's module system improves.
https://leanprover.zulipchat.com/#narrow/stream/113488-ge…
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### Prerequisites
Please put an X between the brackets as you perform the following steps:
* [X] Check that your issue is not already filed:
https://github.com/leanprover/lean4/issues
* …
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Thank you very much for your awesome work! I can't compile the lean code with this repo (https://github.com/rookie-joe/automatic-lean4-compilation), I'd like to know the libraries need to be imported …
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Take a look at the GitHub workflow logs, for example,
https://github.com/opencompl/lean-mlir/actions/runs/10177448324/job/28148970867
Here is an excerpt of the output:
```
9m 11s
Run lake -R …
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Hi,
I have a problem using lean-cli, for the needs of my algo I need to add some changes in the following files (in order to add a new Forex market for which I have the dataset):
- `data/market-ho…