Any zfill will now work for output vtu

write_VTU_file.py

@@ -23,12 +23,12 @@ def write_VTU_file(
         filebasename,
         function,
         time,
-        zfill=6):
+        zfill=3):
 
     file_pvd = dolfin.File(filebasename+"__.pvd")
     file_pvd << (function, float(time))
     os.remove(
         filebasename+"__.pvd")
     shutil.move(
-        filebasename+"__"+"".zfill(zfill)+".vtu",
+        filebasename+"__"+"".zfill(6)+".vtu",
         filebasename+"_"+str(time).zfill(zfill)+".vtu")