chore(main): release 0.9.8

* dont manually call setuptools_scm - its integrated

setuptools_scm automatically set the version attribute - manually setting it wrong

* fix(docs): set fallback version for setuptools-scm to fix autodoc import errors on Read the Docs

---------

Co-authored-by: SunsetWolf <Lv.Linlang@hotmail.com>

CHANGELOG.md

@@ -1,11 +1,12 @@
 # Changelog
 
-## [0.9.8](https://github.com/microsoft/qlib/compare/v0.9.7...v0.9.8) (2025-11-06)
+## [0.9.8](https://github.com/microsoft/qlib/compare/v0.9.7...v0.9.8) (2025-11-13)
 
 
 ### Bug Fixes
 
 * download orderbook data error ([#1990](https://github.com/microsoft/qlib/issues/1990)) ([136b2dd](https://github.com/microsoft/qlib/commit/136b2ddf9a16e4106d62b8d1336a56273a8abef0))
+* **gbdt:** correct dtrain assignment in finetune() to use Dataset instead of tuple ([#2049](https://github.com/microsoft/qlib/issues/2049)) ([2b41782](https://github.com/microsoft/qlib/commit/2b41782f0cfb81e8cc065f2915b215758a7838ef))
 * **macd:** remove extra division by close in DEA calculation to ensure dimension consistency ([#2046](https://github.com/microsoft/qlib/issues/2046)) ([66c3622](https://github.com/microsoft/qlib/commit/66c36226aafceabe497e5967f67921e5d3c9d497))
 * replace deprecated pandas fillna(method=) with ffill()/bfill() ([#1987](https://github.com/microsoft/qlib/issues/1987)) ([7095e75](https://github.com/microsoft/qlib/commit/7095e755fa57e011f0483d24b45fc5bd5a4deaf8))
 * spelling errors ([#1996](https://github.com/microsoft/qlib/issues/1996)) ([f26b341](https://github.com/microsoft/qlib/commit/f26b3417363410531dbbb39e425bce6cf05528a1))

Makefile

@@ -113,7 +113,7 @@ dev: prerequisite all
 
 # Check lint with black.
 black:
-	black . -l 120 --check --diff
+	black . -l 120 --check --diff --exclude qlib/_version.py
 
 # Check code folder with pylint.
 # TODO: These problems we will solve in the future. Important among them are: W0221, W0223, W0237, E1102

pyproject.toml

@@ -117,3 +117,4 @@ qrun = "qlib.cli.run:run"
 [tool.setuptools_scm]
 local_scheme = "no-local-version"
 version_scheme = "guess-next-dev"
+write_to = "qlib/_version.py"

qlib/__init__.py

@@ -4,7 +4,10 @@ from pathlib import Path
 
 from setuptools_scm import get_version
 
-__version__ = get_version(root="..", relative_to=__file__)
+try:
+    from ._version import version as __version__
+except ImportError:
+    __version__ = get_version(root="..", relative_to=__file__)
 __version__bak = __version__  # This version is backup for QlibConfig.reset_qlib_version
 import logging
 import os

qlib/contrib/model/gbdt.py

@@ -51,7 +51,7 @@ class LGBModel(ModelFT, LightGBMFInt):
                     w = reweighter.reweight(df)
                 else:
                     raise ValueError("Unsupported reweighter type.")
-                ds_l.append((lgb.Dataset(x.values, label=y, weight=w), key))
+                ds_l.append((lgb.Dataset(x.values, label=y, weight=w, free_raw_data=False), key))
         return ds_l
 
     def fit(
@@ -109,8 +109,10 @@ class LGBModel(ModelFT, LightGBMFInt):
             verbose level
         """
         # Based on existing model and finetune by train more rounds
-        dtrain, _ = self._prepare_data(dataset, reweighter)  # pylint: disable=W0632
+        ds_l = self._prepare_data(dataset, reweighter)
-        if dtrain.empty:
+        dtrain, _ = ds_l[0]
+
+        if dtrain.construct().num_data() == 0:
             raise ValueError("Empty data from dataset, please check your dataset config.")
         verbose_eval_callback = lgb.log_evaluation(period=verbose_eval)
         self.model = lgb.train(

setup.py

@@ -2,22 +2,12 @@ import os
 
 import numpy
 from setuptools import Extension, setup
-from setuptools_scm import get_version
-
-
-def read(rel_path: str) -> str:
-    here = os.path.abspath(os.path.dirname(__file__))
-    with open(os.path.join(here, rel_path), encoding="utf-8") as fp:
-        return fp.read()
 
 
 NUMPY_INCLUDE = numpy.get_include()
 
 
-VERSION = get_version(root=".", relative_to=__file__)
-
 setup(
-    version=VERSION,
     ext_modules=[
         Extension(
             "qlib.data._libs.rolling",