diff --git a/fastapi/encoders.py b/fastapi/encoders.py
index a307228e0..2b38e4134 100644
--- a/fastapi/encoders.py
+++ b/fastapi/encoders.py
@@ -33,6 +33,11 @@ from pydantic.networks import AnyUrl, NameEmail
 from pydantic.types import SecretBytes, SecretStr
 from pydantic_core import PydanticUndefinedType
 
+from ._compat import (
+    Url,
+    is_pydantic_v1_model_instance,
+)
+
 encoders_by_extra_type: dict[type[Any], Callable[[Any], Any]] = {}
 try:
     from pydantic_extra_types import color as et_color
@@ -47,11 +52,6 @@ try:
 except ImportError:
     pass
 
-from ._compat import (
-    Url,
-    is_pydantic_v1_model_instance,
-)
-
 
 # Taken from Pydantic v1 as is
 def isoformat(o: Union[datetime.date, datetime.time]) -> str: