diff --git a/metagpt/team.py b/metagpt/team.py
index 1df3c4052..0c1efb812 100644
--- a/metagpt/team.py
+++ b/metagpt/team.py
@@ -10,6 +10,7 @@
 
 from pathlib import Path
 import warnings
+
 from pydantic import BaseModel, Field
 
 from metagpt.actions import UserRequirement
@@ -94,9 +95,12 @@ class Team(BaseModel):
         Deprecated: This method will be removed in the future.
         Please use the `run_project` method instead.
         """
-        warnings.warn("The 'start_project' method is deprecated and will be removed in the future. "
-                      "Please use the 'run_project' method instead.",
-                      DeprecationWarning, stacklevel=2)
+        warnings.warn(
+            "The 'start_project' method is deprecated and will be removed in the future. "
+            "Please use the 'run_project' method instead.",
+            DeprecationWarning,
+            stacklevel=2,
+        )
         return self.run_project(idea=idea, send_to=send_to)
 
     def _save(self):