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-rw-r--r--lib/axlsx/drawing/ax_data_source.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/axlsx/drawing/ax_data_source.rb b/lib/axlsx/drawing/ax_data_source.rb
index 10eb6c5e..b8aafc5e 100644
--- a/lib/axlsx/drawing/ax_data_source.rb
+++ b/lib/axlsx/drawing/ax_data_source.rb
@@ -5,7 +5,7 @@ module Axlsx
# creates a new NumDataSource object
# @option options [Array] data An array of Cells or Numeric objects
# @option options [Symbol] tag_name see tag_name
- def initialize(options={})
+ def initialize(options = {})
@tag_name = :cat
@data_type = StrData
@ref_tag_name = :strRef