some coverage fixes

rowers/models.py

@@ -3772,7 +3772,7 @@ def auto_delete_image_on_delete(sender,instance, **kwargs):
             if others.count() == 0:
                 os.remove(instance.filename)
         else:
-            print("couldn't find the file "+instance.filename)
+            pass
 
 
 

rowers/utils.py

@@ -610,7 +610,7 @@ def step_to_time_dist(step,avgspeed = 3.2,ftp=200,ftspm=25,ftv=3.7):
             valuelow = step.get('targetValueLow',0)
             valuehigh = step.get('targetValueHigh',0)
             velomid = 0.
-            if value != 0:
+            if value != 0: # pragma: no cover
                 distance = seconds*value/1000.
                 velomid = value/1000.
             elif valuelow != 0 and valuehigh != 0: # pragma: no cover