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-rw-r--r--src/Xmobar/Plugins/Monitors/UVMeter.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Xmobar/Plugins/Monitors/UVMeter.hs b/src/Xmobar/Plugins/Monitors/UVMeter.hs
index 079177f..839daed 100644
--- a/src/Xmobar/Plugins/Monitors/UVMeter.hs
+++ b/src/Xmobar/Plugins/Monitors/UVMeter.hs
@@ -22,6 +22,7 @@ import Network.HTTP.Conduit
(parseRequest, newManager, tlsManagerSettings, httpLbs,
responseBody)
import Data.ByteString.Lazy.Char8 as B
+import Data.IORef (newIORef, readIORef)
import Text.Read (readMaybe)
import Text.Parsec
import Text.Parsec.String