fix: reset image num to 1 when not given

controller/relay-image.go

@@ -19,10 +19,6 @@ func isWithinRange(element string, value int) bool {
 	if _, ok := common.DalleGenerationImageAmounts[element]; !ok {
 		return false
 	}
-	if element == "dall-e-3" && value == 0 {
-		value = 1
-	}
-
 	min := common.DalleGenerationImageAmounts[element][0]
 	max := common.DalleGenerationImageAmounts[element][1]
 
@@ -45,6 +41,10 @@ func relayImageHelper(c *gin.Context, relayMode int) *OpenAIErrorWithStatusCode
 		return errorWrapper(err, "bind_request_body_failed", http.StatusBadRequest)
 	}
 
+	if imageRequest.N == 0 {
+		imageRequest.N = 1
+	}
+
 	// Size validation
 	if imageRequest.Size != "" {
 		imageSize = imageRequest.Size