Update channel_functions.py

channel_functions.py

@@ -34,7 +34,7 @@ def individual_channel_image(img_arr, channel= 'r', ax=None):
 
   if ax is not None:
     if channel_name == 'Original':
-      ax.imshow(cv2.cvtColor(img,cv2.COLOR_BGR2RGB))
+      ax.imshow(cv2.cvtColor(img_arr,cv2.COLOR_BGR2RGB))
     else:
       plot = ax.imshow(plot_arr, cmap = cmap)
       plt.colorbar(plot, orientation= 'vertical', ax = ax)