[python-package] use _DatasetHandle type hint (#5740)

6f459cee · James Lamb · GitHub · fe15761b · 6f459cee
Unverified Commit 6f459cee authored Feb 25, 2023 by James Lamb Committed by GitHub Feb 25, 2023
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python-package/lightgbm/basic.py python-package/lightgbm/basic.py +1 -1

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--- a/python-package/lightgbm/basic.py
+++ b/python-package/lightgbm/basic.py
@@ -1364,7 +1364,7 @@ class Dataset:
        free_raw_data : bool, optional (default=True)
            If True, raw data is freed after constructing inner Dataset.
        """
-        self.handle: Optional[ctypes.c_void_p] = None
+        self.handle: Optional[_DatasetHandle] = None
        self.data = data
        self.label = label
        self.reference = reference