Update spider_plot.py

spider_plot.py

@@ -18,7 +18,7 @@ def spider_plot(df):
   angles += angles[:1]
    
   # Initialise the spider plot
-  ax = plt.subplot(111, polar=True)
+  fig, ax = plt.subplot(111, polar=True)
    
   # Draw one axe per variable + add labels
   plt.xticks(angles[:-1], categories, color='grey', size=8)