From 9cc380d027775b81d59229258a0199f5bbfd2654 Mon Sep 17 00:00:00 2001
From: Adam Azzam <33043305+aaazzam@users.noreply.github.com>
Date: Mon, 23 Dec 2024 10:33:02 -0600
Subject: [PATCH] Remove FastAPI from prefect.flow's default import path.
 (#16473)

---
 src/prefect/flows.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/prefect/flows.py b/src/prefect/flows.py
index 4ffef3c1dfc3..cbd763952c2f 100644
--- a/src/prefect/flows.py
+++ b/src/prefect/flows.py
@@ -37,7 +37,6 @@
 from uuid import UUID
 
 import pydantic
-from fastapi.encoders import jsonable_encoder
 from pydantic.v1 import BaseModel as V1BaseModel
 from pydantic.v1.decorator import ValidatedFunction as V1ValidatedFunction
 from pydantic.v1.errors import ConfigError  # TODO
@@ -613,6 +612,8 @@ def serialize_parameters(self, parameters: dict[str, Any]) -> dict[str, Any]:
                 serialized_parameters[key] = f"<{type(value).__name__}>"
                 continue
             try:
+                from fastapi.encoders import jsonable_encoder
+
                 serialized_parameters[key] = jsonable_encoder(value)
             except (TypeError, ValueError):
                 logger.debug(