__exception__ = {tuple} (<class 'TypeError'>, TypeError('val is not a dict',), None)
 __len__ = {int} 3
 0 = {type} <class 'TypeError'>
 1 = {TypeError} val is not a dict
 2 = {NoneType} None
entries = {tuple} ({'Authorization': 'Basic BASE64_STRING_HERE', 'Accept': 'application/json'},)
self = {AssertionBuilder} <assertpy.assertpy.AssertionBuilder object at 0x103c70860>
 description = {str} ''
 val = {CaseInsensitiveDict} {'Accept-Encoding': 'gzip, deflate', 'Connection': 'keep-alive', 'Accept': 'application/json', 'User-Agent': 'python-requests/2.9.1'}
  _MutableMapping__marker = {object} <object object at 0x10072f050>