Cannot build the docs with latest sphinx 3.1.1.

[hvy]

Expected behavior

Docs should be built properly without warnings/errors. Following warnings are raised by sphinx's latests release 3.1.1.

Environment

• sphinx==3.1.1

Error messages, stack traces, or logs

WARNING: Failed to update signature for <function MLflowCallback.__init__ at 0x7feea1b4e280>: parameter not found: 'args'
 
WARNING: Failed to update signature for <function GridSampler.__init__ at 0x7feeabb5edc0>: parameter not found: 'args'
 
WARNING: Failed to update signature for <function RedisStorage.__init__ at 0x7feeabb4ce50>: parameter not found: 'args'
 
WARNING: Failed to update signature for <function Study.enqueue_trial at 0x7feeabb4ec10>: parameter not found: 'kwargs'

Steps to reproduce

1. pip install sphinx -U
2. cd docs
3. make clean
4. make html

[crcrpar]

Could you tell us the status of this issue?
Do we still see this problem? Do you just forget to close?

[hvy]

It's still an issue in the sense that we cannot build the docs with 3.1.1. We could close this issue however if we make sure to support future releases of sphinx.