make sure os.environ exists (maybe empty)

diff --git a/Lib/os.py b/Lib/os.py
index 14dc908827fe7e8e06234a72fe3eacf503ceb4c0..d974c59fa0f3e748d26056d985ebb0d85256884f 100644 (file)
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -40,6 +40,10 @@ for name in _osindex.keys():
                        exec 'from %s import _exit' % name
                except ImportError:
                        pass
+               try:
+                       environ
+               except:
+                       environ = {} # Make sure os.environ exists, at least
                break
 else:
        del name