diff --git a/spacy/pipeline/_parser_internals/nonproj.pyx b/spacy/pipeline/_parser_internals/nonproj.pyx
index f36e248be..5dac8589e 100644
--- a/spacy/pipeline/_parser_internals/nonproj.pyx
+++ b/spacy/pipeline/_parser_internals/nonproj.pyx
@@ -4,6 +4,7 @@ for doing pseudo-projective parsing implementation uses the HEAD decoration
 scheme.
 """
 from copy import copy
+from pathlib import Path
 import json
 
 from ...tokens.doc cimport Doc, set_children_from_heads