Change to be more readable.

piotrmurach · piotrmurach · commit 160dfe19607c · 2016-07-02T12:08:39.000+02:00
diff --git a/lib/github_api/error/service_error.rb b/lib/github_api/error/service_error.rb
@@ -109,7 +109,7 @@ def create_error_summary(data)
         elsif data[:errors]
           message = "\nErrors:\n"
           message << data[:errors].map do |error|
-            "Error: #{error.map {|key, val| "#{key}: #{val}"}.join(', ')}"
+            "Error: #{error.map { |k, v| "#{k}: #{v}" }.join(', ')}"
           end.join("\n")
         end
       end
