PEP8 E201, E202 whitespace + ( https://travis-ci.org/ccxt-dev/ccxt/builds/291377722 fixes #373
PEP8 E201, E202 whitespace + ( https://travis-ci.org/ccxt-dev/ccxt/builds/291377722 fixes #373

ccxt/ccxt,tritoanst/ccxt,tritoanst/ccxt,ccxt/ccxt,tritoanst/ccxt,ccxt/ccxt,tritoanst/ccxt,ccxt/ccxt,ccxt/ccxt