Fixes pandas-dev#24893: added comment in pivot

mabelvj · Sep 5, 2019 · 0352930 · 0352930
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commit 0352930
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diff --git a/pandas/core/reshape/pivot.py b/pandas/core/reshape/pivot.py
@@ -252,6 +252,7 @@ def _add_margins(
 
     row_names = result.index.names
     try:
+        # check the result column and leave floats
         for dtype in set(result.dtypes):
             cols = result.select_dtypes([dtype]).columns
             margin_dummy[cols] = margin_dummy[cols].apply(

diff --git a/pandas/tests/reshape/merge/test_pivot_old.py b/pandas/tests/reshape/merge/test_pivot_old.py