Update app.py

app.py

@@ -15,7 +15,7 @@ class DistanceInput(BaseModel):
     p_lat: float = Field(description="Latitude of the pharmacy")
     p_lon: float = Field(description="Longitude of the pharmacy")
 
-    @root_validator
+    @root_validator(allow_reuse=True)
     def validate_coords(cls, values):
         """Manually enforces coordinate boundaries to prevent hallucinations."""
         lat, lon = values.get("p_lat"), values.get("p_lon")