Fixed a bug that led to a false positive error when calling the same …

…generic function multiple times in a call expression. This bug specifically affected the case where the generic function used PEP 695 syntax. This addresses #6386.
microsoft · Nov 9, 2023 · dbd9976 · dbd9976
1 parent 33700bc
commit dbd9976
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/pyright-internal/src/analyzer/typeEvaluator.ts b/packages/pyright-internal/src/analyzer/typeEvaluator.ts
@@ -17032,7 +17032,9 @@ export function createTypeEvaluator(importLookup: ImportLookup, evaluatorOptions
         // accumulate the list of type parameters upfront.
         const typeParametersSeen: TypeVarType[] = [];
         if (node.typeParameters) {
-            functionType.details.typeParameters = evaluateTypeParameterList(node.typeParameters);
+            functionType.details.typeParameters = evaluateTypeParameterList(node.typeParameters).map((typeParam) =>
+                convertToInstance(typeParam)
+            );
         } else {
             functionType.details.typeParameters = typeParametersSeen;
         }