apply minor fixes [#26]

Author: dnl-blkv

bunq/sdk/client.py

@@ -1,13 +1,13 @@
 import uuid
 from json import JSONDecodeError
-
 from urllib.parse import urlencode
+
 import requests
 
 from bunq.sdk import context
 from bunq.sdk import exception
-from bunq.sdk.exception_factory import ExceptionFactory
 from bunq.sdk import security
+from bunq.sdk.exception_factory import ExceptionFactory
 from bunq.sdk.json import converter
 
 

bunq/sdk/exception.py

@@ -5,8 +5,8 @@ def __init__(self, message, response_code):
         :type response_code: int
         """
 
-        self._response_code = response_code
         self._message = message
+        self._response_code = response_code
 
         super(ApiException, self).__init__(message)