[x].flatten is better written as Array(x)

Signed-off-by: Gavin Reynolds <g.reynolds@src.gla.ac.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/chef/resource/apt_repository.rb b/lib/chef/resource/apt_repository.rb
index 293d6b6414..3a2d30be2c 100644
--- a/lib/chef/resource/apt_repository.rb
+++ b/lib/chef/resource/apt_repository.rb
@@ -33,7 +33,7 @@ class Chef
       # whether or not to add the repository as a source repo, too
       property :deb_src, [TrueClass, FalseClass], default: false
       property :keyserver, [String, nil, false], default: "keyserver.ubuntu.com", nillable: true, coerce: proc { |x| x ? x : nil }
-      property :key, [String, Array, nil, false], default: [], coerce: proc { |x| x ? [x].flatten : nil }
+      property :key, [String, Array, nil, false], default: [], coerce: proc { |x| x ? Array(x) : nil }
       property :key_proxy, [String, nil, false], default: nil, nillable: true, coerce: proc { |x| x ? x : nil }
 
       property :cookbook, [String, nil, false], default: nil, desired_state: false, nillable: true, coerce: proc { |x| x ? x : nil }