Make type-checking happy

DiamondLightSource · Nov 7, 2024 · 7b43714 · 7b43714
1 parent c4ed30b
commit 7b43714
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/src/mx_bluesky/hyperion/external_interaction/callbacks/common/abstract_event.py b/src/mx_bluesky/hyperion/external_interaction/callbacks/common/abstract_event.py
@@ -2,6 +2,7 @@
 import dataclasses
 import time
 from abc import ABC
+from typing import Literal
 
 from bluesky.protocols import Readable, Reading
 from event_model import DataKey
@@ -47,7 +48,7 @@ def _reading_from_value(cls, value):
         return Reading(timestamp=time.time(), value=value)
 
     @classmethod
-    def _dtype_of(cls, t: type) -> str:
+    def _dtype_of(cls, t) -> Literal["string", "number", "boolean", "integer"]:
         match t:
             case builtins.str:
                 return "string"

diff --git a/tests/unit_tests/hyperion/external_interaction/callbacks/common/test_abstract_event.py b/tests/unit_tests/hyperion/external_interaction/callbacks/common/test_abstract_event.py
@@ -2,7 +2,7 @@
 
 import bluesky.plan_stubs as bps
 import bluesky.preprocessors as bpp
-from bluesky import RunEngine
+from bluesky.run_engine import RunEngine
 
 from mx_bluesky.hyperion.external_interaction.callbacks.common.abstract_event import (
     AbstractEvent,