added a check for the entry point to examples/py/async-basic.py fix c…

…cxt#2324 ccxt#2173

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async-basic.py PEP8

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bitbay: sign: account for url params

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Throw ExchangeError instead of returning them.

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Parse ask and bid values out of ticker information for bitlish

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hitbtc2 load withdrawal fees

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bitstamp default time in fetchTrades minute → hour fix ccxt#2314

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added support for $this->curl_options to Exchange.php fix ccxt#2302

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exmo missing semicolon minor fix

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exmo fetchOrder via order trades endpoint fix

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