diff --git a/spacy/language.py b/spacy/language.py
index 57b17943a..e8e64a1fc 100644
--- a/spacy/language.py
+++ b/spacy/language.py
@@ -2143,7 +2143,9 @@ class Language:
         serializers["tokenizer"] = lambda p: self.tokenizer.to_disk(  # type: ignore[union-attr]
             p, exclude=["vocab"]
         )
-        serializers["meta.json"] = lambda p: srsly.write_json(p, _replace_numpy_floats(self.meta))
+        serializers["meta.json"] = lambda p: srsly.write_json(
+            p, _replace_numpy_floats(self.meta)
+        )
         serializers["config.cfg"] = lambda p: self.config.to_disk(p)
         for name, proc in self._components:
             if name in exclude:
@@ -2257,7 +2259,9 @@ class Language:
         serializers: Dict[str, Callable[[], bytes]] = {}
         serializers["vocab"] = lambda: self.vocab.to_bytes(exclude=exclude)
         serializers["tokenizer"] = lambda: self.tokenizer.to_bytes(exclude=["vocab"])  # type: ignore[union-attr]
-        serializers["meta.json"] = lambda: srsly.json_dumps(_replace_numpy_floats(self.meta))
+        serializers["meta.json"] = lambda: srsly.json_dumps(
+            _replace_numpy_floats(self.meta)
+        )
         serializers["config.cfg"] = lambda: self.config.to_bytes()
         for name, proc in self._components:
             if name in exclude:
@@ -2309,7 +2313,9 @@ class Language:
 
 
 def _replace_numpy_floats(meta_dict: dict) -> dict:
-    return convert_recursive(lambda v: isinstance(v, numpy.floating), lambda v: float(v), dict(meta_dict))
+    return convert_recursive(
+        lambda v: isinstance(v, numpy.floating), lambda v: float(v), dict(meta_dict)
+    )
 
 
 @dataclass