Update dashboard.py

dashboard.py

@@ -92,7 +92,7 @@ def create_type_pie_charts(entRelsButton, **kwargs):
         dictionary = entityTypesFreqMap
         data = pd.Series(dictionary).reset_index(name='Frequency').rename(columns={'index': 'Entity'})
         data['angle'] = data['Frequency']/data['Frequency'].sum() * 2*pi
-        data['color'] = Category20c[len(x)]
+        data['color'] = Category20c[len(dictionary)]
         p = figure(height=350, title="Pie Chart", toolbar_location=None,
            tools="hover", tooltips="@Entity: @Frequency", x_range=(-0.5, 1.0))
         p.wedge(x=0, y=1, radius=0.4,start_angle=cumsum('angle', include_zero=True), end_angle=cumsum('angle'),
@@ -107,7 +107,7 @@ def create_type_pie_charts(entRelsButton, **kwargs):
         dictionary = relationTypesFreqMap
         data = pd.Series(dictionary).reset_index(name='Frequency').rename(columns={'index': 'Relation'})
         data['angle'] = data['Frequency']/data['Frequency'].sum() * 2*pi
-        data['color'] = Category20c[len(x)]
+        data['color'] = Category20c[len(dictionary)]
         p = figure(height=350, title="Pie Chart", toolbar_location=None,
            tools="hover", tooltips="@Entity: @Frequency", x_range=(-0.5, 1.0))
         p.wedge(x=0, y=1, radius=0.4,start_angle=cumsum('angle', include_zero=True), end_angle=cumsum('angle'),