On Thu, Dec 31, 2009 at 12:01 PM, Stephen Hansen <apt.shan...@gmail.com>wrote:
> On Thu, Dec 31, 2009 at 8:09 AM, Victor Subervi > <victorsube...@gmail.com>wrote: > >> Hi; >> I have this code: >> >> sql = 'describe %s %s;' % (optionsStore, option) >> print sql >> cursor.execute(sql) >> descr = cursor.fetchone() >> if len(descr) is not None: >> >> Python complains: >> >> *TypeError*: len() of unsized object >> >> Please advise how to rewrite the last line so as to avoid the infamous >> try/except. >> > > The test itself makes no sense; len returns an integer, and can never be > None. > > Simply do: > > if descr: > Thanks, Steven. beno
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