Cannot return json.Unmarshal and fix variables not used

ip_ranges.go

@@ -35,13 +35,13 @@ func (client *Client) GetIPRanges() (*IPRanges, error) {
 
 	baseURL := client.GetBaseUrl()
 
-	urlIPRanges := ""
+	var urlIPRanges string
 
 	// Check if we're looking at the IP ranges for EU or US using the BaseURL domain
 	if strings.Contains(baseURL, ".eu") == true {
-		urlIPRanges := "https://ip-ranges.datadoghq.eu"
+		urlIPRanges = "https://ip-ranges.datadoghq.eu"
 	} else {
-		urlIPRanges := "https://ip-ranges.datadoghq.com"
+		urlIPRanges = "https://ip-ranges.datadoghq.com"
 	}
 
 	// HTTP request to inspect the response's body
@@ -70,5 +70,7 @@ func (client *Client) GetIPRanges() (*IPRanges, error) {
 
 	// Unmarshal the response body into the IPRanges struct
 	var ipRanges IPRanges
-	return json.Unmarshal([]byte(body), &ipRanges), nil
+	json.Unmarshal([]byte(body), &ipRanges)
+
+	return &ipRanges, nil
 }