log getSigHeaders error

Author: nleush

lib/utils.js

@@ -185,6 +185,7 @@ export function prepareRequestOptions(request_options, options) {
                     options.getSigHeaders(original_uri, function(error, headers) {
                         if (error) {
                             // Skip error.
+                            console.error('getSigHeaders error', error);
                             resolve(request_options);
                         } else {
                             request_options.headers = request_options.headers || {};