tests: cleanup check-translation deprecated

i18n/check-translation.py

@@ -96,10 +96,9 def deprecated(pe):
     >>> for e in deprecated(pe): print e
     msgstr inconsistently translated (DEPRECATED)
     """
-    global deprecatedpe
-    if not '(DEPRECATED)' in pe.msgstr:
-        if not (deprecatedpe and deprecatedpe.msgstr
-                and deprecatedpe.msgstr in pe.msgstr):
+    if not ('(DEPRECATED)' in pe.msgstr or
+            (deprecatedpe and deprecatedpe.msgstr and
+             deprecatedpe.msgstr in pe.msgstr)):
             yield "msgstr inconsistently translated (DEPRECATED)"
 
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