Added logging of tensorflow and pytorch tensors as image (#321)
* added logging of tensorflow and pytorch tensors as image, fixed scaling of logging numpy arrays
* disabled pylint warnings
* added tests for logging tensor image
* fixed tests, added docstrings to log_metric
* added if on python version to deal with tensorflow dependency
* turned torch tests off for python 2
* dropped pylint disable
* added pylint disable at the top of file
* check
* added another if python 3 if
* added torch install from page before other test reqs
* added detech to torch tensor
* Fix pylint errors
* Install torch on Windows in a specific version
* Test torch from Python 3.6 up
* Use unittest.skipIf to skip tests on older Pythons
* Fix installing deps with tox
* Fix tox.ini
* Fix tox.ini
* Another fix in tox.ini
* Disable testing torch on Windows
* Skip testing torch for Py 3.5
* dropped pytho3 conditional
Co-authored-by: Piotr Łusakowski <piotr.lusakowski@neptune.ai>
