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Paweł Tomulik committed bb9121e

fixed bug with mutable default argument in Tool/GettextCommon.py

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src/engine/SCons/Tool/GettextCommon.py

 
 import SCons.Environment
 #############################################################################
-def _translate(env, target=[], source=SCons.Environment._null, *args, **kw):
+def _translate(env, target=None, source=SCons.Environment._null, *args, **kw):
   """ Function for `Translate()` pseudo-builder """
+  if target is None: target = []
   pot = env.POTUpdate(None, source, *args, **kw)
   po = env.POUpdate(target, pot, *args, **kw)
   return po