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-rw-r--r--app/models/environment.rb4
1 files changed, 2 insertions, 2 deletions
diff --git a/app/models/environment.rb b/app/models/environment.rb
index 69224635e34..0eda7a2513f 100644
--- a/app/models/environment.rb
+++ b/app/models/environment.rb
@@ -3,8 +3,8 @@
class Environment < ApplicationRecord
include Gitlab::Utils::StrongMemoize
# Used to generate random suffixes for the slug
- LETTERS = 'a'..'z'
- NUMBERS = '0'..'9'
+ LETTERS = ('a'..'z').freeze
+ NUMBERS = ('0'..'9').freeze
SUFFIX_CHARS = LETTERS.to_a + NUMBERS.to_a
belongs_to :project, required: true