diff --git a/spacy/pipeline/transition_parser.pyx b/spacy/pipeline/transition_parser.pyx
index 10219c2ad..75ca5902d 100644
--- a/spacy/pipeline/transition_parser.pyx
+++ b/spacy/pipeline/transition_parser.pyx
@@ -37,7 +37,7 @@ from .. import util
 NUMPY_OPS = NumpyOps()
 
 
-cdef class Parser(TrainablePipe):
+class Parser(TrainablePipe):
     """
     Base class of the DependencyParser and EntityRecognizer.
     """