James Lamb

At your earliest convenience, can you please merge in `master`? Some changes have been made to our CI jobs. I apologize for the inconvenience.

/gha run r-valgrind Workflow **R valgrind tests** has been triggered! 🚀 https://github.com/microsoft/LightGBM/actions/runs/516956048 Status: success ✔️.

ok sure! I'll look in the next day or two

Up to 30 errors as of https://github.com/microsoft/LightGBM/commit/d6ebd063fff7ff9ed557c3f2bcacc8f9456583e6. This will happen...adding more type hints gives `mypy` more stuff to check, so we should expect some volatility in that number as #3756...

Hi @AXRegister , thanks very much for your interest in contributing! To test locally, you can try installing the package locally and running the unit tests. Like this: ```shell #...

Up to 64 errors as of https://github.com/microsoft/LightGBM/commit/b5502d19b2b462f665e3d1edbaa70c0d6472bca4. Found 64 errors in 3 files (checked 10 source files) ```text python-package/setup.py:43: error: "str" not callable python-package/setup.py:60: error: Argument 2 to "create_tree" has...

71 errors as of https://github.com/microsoft/LightGBM/commit/a2b60e84c17462d6e467f4363a0fae203ca7fee5 Found 71 errors in 5 files (checked 10 source files) ```text python-package/setup.py:43: error: "Path" not callable python-package/lightgbm/engine.py:231: error: Incompatible types in assignment (expression has type...

This issue has been open with the label `good first issue` for about 10 months, and hasn't attracted much attention from outside contributors. I opened some PRs for this tonight,...

59 errors as of https://github.com/microsoft/LightGBM/commit/f57ef6f479dc677448646cf5c4888a7965050401 Found 59 errors in 3 files (checked 10 source files) ```text python-package/lightgbm/engine.py:226: error: Incompatible types in assignment (expression has type "Set[]", variable has type "Optional[List[Callable[...,...

53 errors as of https://github.com/microsoft/LightGBM/commit/e048a6b409ff72cd2f563b05689ec082bd2e4635 Found 53 errors in 3 files (checked 10 source files) ```text python-package/lightgbm/engine.py:226: error: Incompatible types in assignment (expression has type "Set[]", variable has type "Optional[List[Callable[...,...