Fix flake8 warning

disk.py

@@ -285,12 +285,14 @@ class Disk(object):
         with open(exported_path, 'rb') as exported_disk:
             try:
                 m = MultipartEncoder(
-                    {'data': (exported_name + '.' + format_dict[format], exported_disk)}
+                    {'data': (exported_name + '.' + format_dict[format],
+                              exported_disk)}
                 )
-                response = requests.post(upload_link,
-                                         data=m,
-                                         headers={'Content-Type': m.content_type},
-                                         params={'no_redirect': ''})
+                response = requests.post(
+                    upload_link,
+                    data=m,
+                    headers={'Content-Type': m.content_type},
+                    params={'no_redirect': ''})
                 if response.status_code != 200:
                     raise Exception("Invalid response status code: %s" %
                                     response.status_code)