fix: don't try to deserialize as json when ResponseBodyInto is []byte

Author: stainless-app[bot]

internal/requestconfig/requestconfig.go

@@ -540,15 +540,15 @@ func (cfg *RequestConfig) Execute() (err error) {
 		return nil
 	}
 
-	// If the response happens to be a byte array, deserialize the body as-is.
 	switch dst := cfg.ResponseBodyInto.(type) {
+	// If the response happens to be a byte array, deserialize the body as-is.
 	case *[]byte:
 		*dst = contents
-	}
-
-	err = json.NewDecoder(bytes.NewReader(contents)).Decode(cfg.ResponseBodyInto)
-	if err != nil {
-		return fmt.Errorf("error parsing response json: %w", err)
+	default:
+		err = json.NewDecoder(bytes.NewReader(contents)).Decode(cfg.ResponseBodyInto)
+		if err != nil {
+			return fmt.Errorf("error parsing response json: %w", err)
+		}
 	}
 
 	return nil