Merge branch 'develop' of github.com:CryptoSignal/crypto-signal into workers

Author: laliux

README.md

@@ -1,6 +1,6 @@
 # Crypto Signals
 
-Development branch to testing new features. If you are looking for the latest stable version check the master branch.
+Development branch to testing new features. This develop version has a lot of improvements and fixes over master branch. The recommendation is that you use the code in this branch.
 
 ## Notable Changes
 - It creates candle bar charts with MAs, RSI and MACD. These images can be sent as part of a Telegram notification or a Webhook call.

app/exchange.py

@@ -144,7 +144,7 @@ def get_top_markets(self, exchange, base_markets):
                 values = np.array(values, dtype=[('market', 'U10'), ('volume', int)]) 
                 values = np.sort(values, order='volume')  
 
-                if isinstance(self.exclude, list) and len(self.exclude) > 0:    
+                if self.top_pairs and (len (values) > self.top_pairs):
                     limit = -self.top_pairs
                     values = values[limit:]['market'].tolist()
                 else: