Remove redundant parentheses

- Style/ParenthesesAroundCondition
- Style/RedundantParentheses
- Style/TernaryParentheses

`Style/ParenthesesAroundCondition` may be questionable, but a majority
of comparison where not using parentheses, so offenses have been fixed
for uniformity across the codebase

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/axlsx/workbook/worksheet/pivot_table.rb b/lib/axlsx/workbook/worksheet/pivot_table.rb
index a75842cd..aca3ccb5 100644
--- a/lib/axlsx/workbook/worksheet/pivot_table.rb
+++ b/lib/axlsx/workbook/worksheet/pivot_table.rb
@@ -245,7 +245,7 @@ module Axlsx
         str << "<dataFields count=\"#{data.size}\">"
         data.each do |datum_value|
           # The correct name prefix in ["Sum","Average", etc...]
-          str << "<dataField name='#{(datum_value[:subtotal] || '')} of #{datum_value[:ref]}' fld='#{header_index_of(datum_value[:ref])}' baseField='0' baseItem='0'"
+          str << "<dataField name='#{datum_value[:subtotal] || ''} of #{datum_value[:ref]}' fld='#{header_index_of(datum_value[:ref])}' baseField='0' baseItem='0'"
           str << " numFmtId='#{datum_value[:num_fmt]}'" if datum_value[:num_fmt]
           str << " subtotal='#{datum_value[:subtotal]}' " if datum_value[:subtotal]
           str << "/>"