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Co-authored-by: Cisphyx <[email protected]>

Author: vEpiphyte

synapse/lib/httpapi.py

@@ -1137,7 +1137,7 @@ async def get(self):
         try:
             valu, info = await self.cell.getPropNorm(propname, propvalu, typeopts=typeopts)
         except s_exc.NoSuchProp:
-            return self.sendRestErr('NoSuchProp', 'The property {propname} does not exist.', status_code=HTTPStatus.NOT_FOUND)
+            return self.sendRestErr('NoSuchProp', f'The property {propname} does not exist.', status_code=HTTPStatus.NOT_FOUND)
         except Exception as e:
             return self.sendRestExc(e, status_code=HTTPStatus.BAD_REQUEST)
         else: