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-rw-r--r--lib/metropolis/common/ro.rb6
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/metropolis/common/ro.rb b/lib/metropolis/common/ro.rb
index 390e2c6..c6015df 100644
--- a/lib/metropolis/common/ro.rb
+++ b/lib/metropolis/common/ro.rb
@@ -1,9 +1,11 @@
 # -*- encoding: binary -*-
 module Metropolis::Common::RO
+  include Metropolis::Constants
+
   def call(env)
-    if %r{\A/(.*)\z} =~ env["PATH_INFO"]
+    if %r{\A/(.*)\z} =~ env[PATH_INFO]
       key = unescape($1)
-      case env["REQUEST_METHOD"]
+      case env[REQUEST_METHOD]
       when "GET"
         get(key, env)
       when "HEAD"