Typo in `sales_rank` code example

2021-08-06 20:06:09 +03:00 · 2021-08-06 20:06:09 +03:00 · 4bf44904db
parent 4e70c54a5b
commit 4bf44904db
1 changed files with 1 additions and 1 deletions
--- a/solutions/system_design/sales_rank/README.md
+++ b/solutions/system_design/sales_rank/README.md
@ -126,7 +126,7 @@ class SalesRanker(MRJob):
        if self.within_past_week(timestamp):
            yield (category_id, product_id), quantity

-    def reducer(self, key, value):
+    def reducer(self, key, values):
        """Sum values for each key.

        (category1, product1), 2