Traceback (most recent call last):


 "2.py", line 3, in <module>

print(cache.has("test"))
AttributeError: 'Cache' object has no attribute 'has'

Traceback (most recent call last):


 "/usr/lib/python3.8/site-packages/nose/case.py", line 197, in runTest

self.test(*self.arg)


 "/home/tkloczko/rpmbuild/BUILD/arrow-0.15.6/tests/test_parser.py", line 1458, in test_escape

assert self.parser.parse(
AttributeError: 'TestDateTimeParserSearchDate' object has no attribute 'parser'
