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"""
'W0104': ('Statement seems to have no effect',
'Used when a statement doesn\'t have (or at least seems to) \
any effect.'),
'W0105': ('String statement has no effect',
'Used when a string is used as a statement (which of course \
has no effect). This is a particular case of W0104 with its \
own message so you can easily disable it if you\'re using \
those strings as documentation, instead of comments.'),
'W0106': ('Expression "%s" is assigned to nothing',
'Used when an expression that is not a function call is assigned\
to nothing. Probably something else was intended.'),
"""
__revision__ = ''
__revision__
__revision__ <= 1
__revision__.lower() # ok
[i for i in __revision__] # ko
"""inline doc string should use a separated message"""
__revision__.lower(); # unnecessary ;
list() and tuple() # W0106
def to_be():
"""return 42"""
return "42"
ANSWER = to_be() # ok
ANSWER == to_be() # W0106, typical typo
to_be() or not to_be() # W0106, strange conditional function call (or nonsens)
to_be().title # W0106, very strange, maybe typo
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