Fixed bug that led to an inconsistency between the use of type and …

…`Type` when applying `isinstance` type narrowing in some cases. This addresses #6252.
microsoft · Oct 28, 2023 · 7ef6ab2 · 7ef6ab2
1 parent 6ed62b5
commit 7ef6ab2
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/pyright-internal/src/analyzer/typeUtils.ts b/packages/pyright-internal/src/analyzer/typeUtils.ts
@@ -2236,7 +2236,9 @@ export function convertToInstance(type: Type, includeSubclasses = true): Type {
                         }
                     } else {
                         if (subtype.typeArguments && subtype.typeArguments.length > 0) {
-                            return convertToInstantiable(subtype.typeArguments[0]);
+                            if (!isAnyOrUnknown(subtype.typeArguments[0])) {
+                                return convertToInstantiable(subtype.typeArguments[0]);
+                            }
                         }
                     }
                 }