fix pep8

Author: Florian Gardin

skrules/rule.py

@@ -52,6 +52,7 @@ def __iter__(self):
         yield self.args
 
     def __repr__(self):
-        return ' and '.join([' '.join([feature, symbol,
-                                       str(self.agg_dict[(feature, symbol)])])
-                            for feature, symbol in sorted(self.agg_dict.keys())])
+        return ' and '.join([' '.join(
+                [feature, symbol, str(self.agg_dict[(feature, symbol)])])
+                for feature, symbol in sorted(self.agg_dict.keys())
+                ])

skrules/skope_rules.py

@@ -373,7 +373,7 @@ def fit(self, X, y, sample_weight=None):
 
         self.rules_ = sorted(self.rules_.items(),
                              key=lambda x: (x[1][0], x[1][1]), reverse=True)
-        
+
         # Deduplicate the rule using semantic tree
         if self.max_depth_duplication is not None:
             self.rules_ = self.deduplicate(self.rules_)