Merge pull request #199 from scjjb/patch-4

Update WholeSlideImage.py - fix bug where minimum number of patches is 2 instead of 1.

Author: fedshyvana

wsi_core/WholeSlideImage.py

@@ -460,7 +460,7 @@ def process_contour(self, cont, contour_holes, patch_level, save_path, patch_siz
 
         print('Extracted {} coordinates'.format(len(results)))
 
-        if len(results)>1:
+        if len(results)>0:
             asset_dict = {'coords' :          results}
 
             attr = {'patch_size' :            patch_size, # To be considered...