Fix #1

preparemoodle.py

@@ -121,7 +121,7 @@ if __name__ == '__main__':
             ))
       
       # Progress
-      if not (cnt % round(numlines/10)): 
+      if not (cnt % max(1,round(numlines/10))): 
         print(".", sep=' ', end='', flush=True)
       cnt += 1