Fixed a bug regarding float64 to json in boxplot

fractalis/analytics/tasks/boxplot/main.py

@@ -57,14 +57,14 @@ class BoxplotTask(AnalyticTask):
                 for category in results['categories']:
                     values = df[(df['subset'] == subset) &
                                 (df['category'] == category) &
-                                (df['feature'] == feature)]['value']
+                                (df['feature'] == feature)]['value'].tolist()
                     if len(values) < 2:
                         continue
                     label = '{}//{}//s{}'.format(feature, category, subset + 1)
                     group_values.append(values)
                     stats = self.boxplot_statistics(values)
-                    u_outliers = values > stats['u_wsk']
-                    l_outliers = values < stats['l_wsk']
+                    u_outliers = np.array(values) > stats['u_wsk']
+                    l_outliers = np.array(values) < stats['l_wsk']
                     outliers = np.bitwise_or(u_outliers, l_outliers)
                     df.loc[(df['subset'] == subset) &
                            (df['category'] == category) &