type anno fix for powder item

Author: esoteric-ephemera

mpcontribs-lux/mpcontribs/lux/projects/alab/schemas/powder_doses.py

@@ -9,16 +9,23 @@
 """
 
 from pydantic import BaseModel, Field
+from emmet.core.types.typing import JsonListType
+from emmet.core.utils import type_override
 
 
+@type_override(
+    {
+        "Doses": str,
+    }
+)
 class PowderItem(BaseModel, extra="forbid"):
     """Schema for a powder item within a dose."""
 
     PowderName: str | None = Field(default=None, description="Name of the powder")
     TargetMass: float | None = Field(
         default=None, description="Target mass in mg", ge=0
     )
-    Doses: list[dict] | None = Field(
+    Doses: JsonListType | None = Field(
         default=None, description="List of individual doses"
     )