Encode unicode for python 2

Author: ht-albert

connect/config.py

@@ -88,11 +88,13 @@ def load_from_file(self, file):
             raise TypeError('Invalid config file `{}`\n'
                             'ERROR: {}'.format(file, str(ex)))
 
-        (api_url, api_key, products) = (configs.get('apiEndpoint', '').encode('utf-8'),
-                                        configs.get('apiKey', '').encode('utf-8'),
-                                        configs.get('products'))
+        (api_url, api_key, products) = (configs.get('apiEndpoint', ''),
+                                        configs.get('apiKey', ''),
+                                        configs.get('products', ''))
 
         products = products.encode('utf-8') if not isinstance(products, (str, list)) else products
+        api_url = api_url.encode('utf-8') if not isinstance(api_url, str) else api_url
+        api_key = api_key.encode('utf-8') if not isinstance(api_key, str) else api_key
 
         self.check_credentials(api_url, api_key, products)
         self._set_attr(api_url, api_key, products)