From 4b71ed5cd39722037a20888759409940c4227e6f Mon Sep 17 00:00:00 2001 From: Eric Kafe Date: Wed, 3 Jun 2026 07:30:45 +0200 Subject: [PATCH] Fix TransitionParser sparse index dtype for scikit-learn 1.9 (#3591) --- nltk/parse/transitionparser.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/nltk/parse/transitionparser.py b/nltk/parse/transitionparser.py index 07d09b535f..4643d86625 100644 --- a/nltk/parse/transitionparser.py +++ b/nltk/parse/transitionparser.py @@ -523,6 +523,9 @@ def train(self, depgraphs, modelfile, verbose=True): input_file.close() # Using the temporary file to train the libsvm classifier x_train, y_train = load_svmlight_file(input_file.name) + x_train = x_train.astype("float64") + x_train.indices = x_train.indices.astype("int32", copy=False) + x_train.indptr = x_train.indptr.astype("int32", copy=False) # The parameter is set according to the paper: # Algorithms for Deterministic Incremental Dependency Parsing by Joakim Nivre # Todo : because of probability = True => very slow due to