Always define getenv(), as suggested by Guido. This means that os.getenv() is also...

diff --git a/Lib/os.py b/Lib/os.py
index 721cb7e50e529e9d76ea5e39b3fcfdd814ab857b..4876539b4da520aaa9a0a54587d63cf6c793c9fa 100644 (file)
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -416,11 +416,11 @@ else:
 
     environ = _Environ(environ)
 
-    def getenv(key, default=None):
-        """Get an environment variable, return None if it doesn't exist.
-        The optional second argument can specify an alternate default."""
-        return environ.get(key, default)
-    __all__.append("getenv")
+def getenv(key, default=None):
+       """Get an environment variable, return None if it doesn't exist.
+       The optional second argument can specify an alternate default."""
+       return environ.get(key, default)
+__all__.append("getenv")
 
 def _exists(name):
     try: