Prefer `Kernel#format` to `String#%`

This commit fixes cases that cannot be detected by RuboCop

Ref: https://www.rubydoc.info/gems/rubocop/RuboCop/Cop/Style/FormatString

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/axlsx/util/validators.rb b/lib/axlsx/util/validators.rb
index 1357f4f3..8533145d 100644
--- a/lib/axlsx/util/validators.rb
+++ b/lib/axlsx/util/validators.rb
@@ -71,7 +71,7 @@ module Axlsx
   # @para, [Any] v the value to validate
   # @raise [ArgumentError] raised if the value cannot be converted to an integer
   def self.validate_integerish(v)
-    raise ArgumentError, (ERR_INTEGERISH % v.inspect) unless v.respond_to?(:to_i) && v.to_i.is_a?(Integer)
+    raise ArgumentError, format(ERR_INTEGERISH, v.inspect) unless v.respond_to?(:to_i) && v.to_i.is_a?(Integer)
   end
 
   # Requires that the value is between -54000000 and 54000000
@@ -79,7 +79,7 @@ module Axlsx
   # @raise [ArgumentError] raised if the value cannot be converted to an integer between the allowed angle values for chart label rotation.
   # @return [Boolean] true if the data is valid
   def self.validate_angle(v)
-    raise ArgumentError, (ERR_ANGLE % v.inspect) unless v.to_i >= -5400000 && v.to_i <= 5400000
+    raise ArgumentError, format(ERR_ANGLE, v.inspect) unless v.to_i >= -5400000 && v.to_i <= 5400000
   end
 
   # Validates an unsigned intger