Is there a better/simpler way to filter blank lines?

[Ben Finney]

Steven D'Aprano <steve at REMOVE-THIS-cybersource.com.au> writes:

> I'm surprised that nobody yet has RTFM:
> http://docs.python.org/reference/expressions.html
> 
> generator_expression ::=  "(" expression genexpr_for ")"
> ...
> The parentheses can be omitted on calls with only one argument.

It's a fair cop. Thanks for setting me straight.

-- 
 \             “We can't depend for the long run on distinguishing one |
  `\         bitstream from another in order to figure out which rules |
_o__)               apply.” —Eben Moglen, _Anarchism Triumphant_, 1999 |
Ben Finney