In EbuildIpc._receive_reply(), close the input_file when finished.
diff --git a/bin/ebuild-ipc.py b/bin/ebuild-ipc.py
index f8ec881..45d7120 100755
--- a/bin/ebuild-ipc.py
+++ b/bin/ebuild-ipc.py
@@ -153,6 +153,8 @@
 					"ebuild-ipc: %s\n" % (e,),
 					level=logging.ERROR, noiselevel=-1)
 
+		input_file.close()
+
 		retval = 2
 
 		if not buf: