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-rw-r--r--lib/axlsx/stylesheet/styles.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/axlsx/stylesheet/styles.rb b/lib/axlsx/stylesheet/styles.rb
index bdda36c7..d9c5683a 100644
--- a/lib/axlsx/stylesheet/styles.rb
+++ b/lib/axlsx/stylesheet/styles.rb
@@ -380,7 +380,7 @@ module Axlsx
end
end
- validate_border_hash = ->(val) {
+ validate_border_hash = lambda { |val|
unless val.key?(:style) && val.key?(:color)
raise ArgumentError, format(ERR_INVALID_BORDER_OPTIONS, options[:border])
end