config.rb in chronicle-etl-0.5.5

- old
+ new

@@ -1,5 +1,6 @@
+require "active_support/core_ext/hash/keys"
 require 'fileutils'
 require 'yaml'
 
 module Chronicle
   module ETL
@@ -19,9 +20,11 @@
 
       # Writes a hash as a yml config file
       def write(type, identifier, data)
         base = config_pathname_for_type(type)
         path = base.join("#{identifier}.yml")
+
+        data.deep_stringify_keys!
         FileUtils.mkdir_p(File.dirname(path))
         File.open(path, 'w', 0o600) do |f|
           # Ruby likes to add --- separators when writing yaml files
           f << data.to_yaml.gsub(/^-+\n/, '')
         end