Rewrite code to work around mypy 1.7 regression.

nion-software · Nov 11, 2023 · 047ac85 · 047ac85
1 parent 18e3204
commit 047ac85
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/nion/swift/model/Symbolic.py b/nion/swift/model/Symbolic.py
@@ -248,8 +248,10 @@ def __init__(self, entity_type: typing.Optional[Schema.EntityType] = None,
             self._set_field_value("reference", reference)
 
     def __eq__(self, other: typing.Any) -> bool:
-        if other and isinstance(other, self.__class__):
-            return self.write() == other.write()
+        # written like this to work around regression in mypy 1.7
+        if other:
+            if isinstance(other, self.__class__):
+                return self.write() == other.write()
         return False
 
     def __hash__(self) -> typing.Any: