update example_interface.py

doc/source/csst_common/example_interface.py

@@ -78,14 +78,14 @@ def process_single_image(
         if fits.getheader(filepath_output)["STT_DIST"] == 0 and \
                 fits.getheader(filepath_output)["PCS_DIST"] < 1e-5 and \
                 fits.getheader(filepath_output)["NS_DIST"] >= 8:
-            return CsstStatus.PERFECT
+            return CsstStatus.PERFECT, fr
         else:
-            return CsstStatus.WARNING
+            return CsstStatus.WARNING, fr
     else:
         # file doesn't exist, do your fallback solution
         fits.HDUList(fits.PrimaryHDU()).writeto(filepath_output)
         assert os.path.exists(filepath_output)
-        return CsstStatus.WARNING
+        return CsstStatus.WARNING, fr
 
 
 # process multiple images in an exposure (RECOMMENDED, at least for MBI or SLS)