Luka Shostenko

We need to allow logging in case of running code on servers.

Valid emails do not fit trafaret.Email

5

``` trafaret.Email('contaс[email protected]') ~/py/ocean/ocean_ai/env/lib/python3.6/site-packages/trafaret/base.py in __call__(self, val, context) 154 155 def __call__(self, val, context=None): --> 156 return self.check(val, context=context) 157 158 ~/py/ocean/ocean_ai/env/lib/python3.6/site-packages/trafaret/base.py in check(self, value, context) 116 """ 117 if hasattr(self,...