adress mypy error

sawa3030 · sawa3030 · commit a35a6d615a30 · 2025-10-02T11:48:06.000+09:00
diff --git a/optuna_mcp/server.py b/optuna_mcp/server.py
@@ -304,7 +304,9 @@ def get_directions() -> StudyResponse:
                 )
             )
 
-        directions = [d.name.lower() for d in mcp.study.directions]
+        directions: list[typing.Literal["minimize", "maximize"]] = [
+            d.name.lower() for d in mcp.study.directions
+        ]
         return StudyResponse(
             study_name=mcp.study.study_name,
             directions=directions,

Original file line number	Diff line number	Diff line change
`@@ -304,7 +304,9 @@ def get_directions() -> StudyResponse:`
`304`	`304`	`)`
`305`	`305`	`)`
`306`	`306`
`307`		`- directions = [d.name.lower() for d in mcp.study.directions]`
	`307`	`+ directions: list[typing.Literal["minimize", "maximize"]] = [`
	`308`	`+ d.name.lower() for d in mcp.study.directions`
	`309`	`+ ]`
`308`	`310`	`return StudyResponse(`
`309`	`311`	`study_name=mcp.study.study_name,`
`310`	`312`	`directions=directions,`