python module 'signal' has no attribute 'SIGHUP'

C02TPARXG8WN:fal$ python
Python 3.6.9 (default, Nov 10 2019, 01:00:31) 
[GCC 4.2.1 Compatible Apple LLVM 10.0.0 (clang-1000.10.44.4)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import signal
>>> signal.SIGHUP
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: module 'signal' has no attribute 'SIGHUP'>>> 

testing signal on macos. unable to figure out why keep gettting signal error