Fix NVMLError subclass check (#613)
Fix NVMLError subclass check (#613)

* Fix NVMLError subclass check

* Update nvml/datadog_checks/nvml/nvml.py

Co-authored-by: Ofek Lev <8bbe81b7cc931ef327af3b7c5f7a3c24e9e921f7@gmail.com>

* Fix logging in NvmlCall()

* Make previously_printed_errors a global

* Use class static variable

* Fix whitespace

* Revert to issubclass

Co-authored-by: Ofek Lev <8bbe81b7cc931ef327af3b7c5f7a3c24e9e921f7@gmail.com>
DataDog/integrations-extras,DataDog/integrations-extras,DataDog/integrations-extras,DataDog/integrations-extras,DataDog/integrations-extras