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Example from getting started in README.md fails

See original GitHub issue

🐛 Bug Report

Running example from the README.md fails with TypeError.

How To Reproduce

Steps to reproduce the behavior:

Create new virtualenv, python3.6, catalyst==21.4.1
Run example from the getting started section in README.md
observe TypeError 😃

Traceback (most recent call last):
  File "main.py", line 45, in <module>
    load_best_on_end=True,
  File "/home/kamil/envs/intcatalyst/lib/python3.6/site-packages/catalyst/runners/runner.py", line 321, in train
    self.run()
  File "/home/kamil/envs/intcatalyst/lib/python3.6/site-packages/catalyst/core/runner.py", line 679, in run
    self._run_event("on_exception")
  File "/home/kamil/envs/intcatalyst/lib/python3.6/site-packages/catalyst/core/runner.py", line 602, in _run_event
    getattr(self, event)(self)
  File "/home/kamil/envs/intcatalyst/lib/python3.6/site-packages/catalyst/core/runner.py", line 594, in on_exception
    raise self.exception
  File "/home/kamil/envs/intcatalyst/lib/python3.6/site-packages/catalyst/core/runner.py", line 676, in run
    self._run_experiment()
  File "/home/kamil/envs/intcatalyst/lib/python3.6/site-packages/catalyst/core/runner.py", line 666, in _run_experiment
    self._run_stage()
  File "/home/kamil/envs/intcatalyst/lib/python3.6/site-packages/catalyst/core/runner.py", line 649, in _run_stage
    self._run_epoch()
  File "/home/kamil/envs/intcatalyst/lib/python3.6/site-packages/catalyst/core/runner.py", line 638, in _run_epoch
    self._run_loader()
  File "/home/kamil/envs/intcatalyst/lib/python3.6/site-packages/catalyst/core/runner.py", line 625, in _run_loader
    self._run_event("on_loader_start")
  File "/home/kamil/envs/intcatalyst/lib/python3.6/site-packages/catalyst/core/runner.py", line 600, in _run_event
    getattr(callback, event)(self)
  File "/home/kamil/envs/intcatalyst/lib/python3.6/site-packages/catalyst/callbacks/misc.py", line 200, in on_loader_start
    desc=f"{runner.stage_epoch_step}/{runner.stage_epoch_len}"
TypeError: __init__() got an unexpected keyword argument 'desc'