Grasshopper Python - Skip null and multiplication floats

[ForestOwl]

I’m trying to script ‘a skip zero and multiplication floats tool,’ but it’s not working, what am I doing wrong?
Thanks in advance for your response.

20181020 problem skip null 00.gh (12.5 KB)

[nathanletwory (Nathan 'jesterKing' Letwory)]

You should check for None. Change line five to read (with proper indentation)

if v:

or a bit more explicit:

if v!=None:

[mikity_kogekoge]

or
if v is not None:
…
never mind!