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Undefined name 'value'... Change to 'values' * 3 

The function parameter in __reducer(self, key, value):__ is __value__ (without an _s_) but the function body uses __values__ with an _s_ which creates an undefined name.  Solution: change the function parameter from __value__ to __values__.
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cclauss 2018-03-14 13:06:54 +01:00 committed by GitHub
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commit 8e8f78b2ce
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solutions/system_design/mint/mint_mapreduce.py
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@ -35,7 +35,7 @@ class SpendingByCategory(MRJob):
if period == self.current_year_month(): if period == self.current_year_month():
yield (period, category), amount yield (period, category), amount
def reducer(self, key, value): def reducer(self, key, values):
"""Sum values for each key. """Sum values for each key.
(2016-01, shopping), 125 (2016-01, shopping), 125