plq · August 6, 2013 11:52
diff --git a/gistfile1.pytb b/gistfile1.pytb
 Traceback (most recent call last):
  File "sample.py", line 8, in <module>
    print list(sq_all(l))
  File "sample.py", line 4, in sq_all
    yield x*x
 TypeError: unsupported operand type(s) for *: 'NoneType' and 'NoneType'
diff --git a/sample.py b/sample.py
 def sq_all(l):
  for x in l:
    yield x*x
 
 l = [1,2,3,4,None,6,7,8]
 
 print list(sq_all(l))
	Traceback (most recent call last):
	File "sample.py", line 8, in <module>
	print list(sq_all(l))
	File "sample.py", line 4, in sq_all
	yield x*x
	TypeError: unsupported operand type(s) for *: 'NoneType' and 'NoneType'
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