diff --git a/spacy/training/callbacks.py b/spacy/training/callbacks.py
index c2f3b8b51..21c3d56a1 100644
--- a/spacy/training/callbacks.py
+++ b/spacy/training/callbacks.py
@@ -1,9 +1,11 @@
-from typing import Callable, Optional
+from typing import TYPE_CHECKING, Callable, Optional
 
 from ..errors import Errors
-from ..language import Language
 from ..util import load_model, logger, registry
 
+if TYPE_CHECKING:
+    from ..language import Language
+
 
 @registry.callbacks("spacy.copy_from_base_model.v1")
 def create_copy_from_base_model(