Have os.environ() inherit from the iterable version of UserDict.
Closes SF bug 605731.
diff --git a/Lib/os.py b/Lib/os.py
index a2daba8..40f9a4e 100644
--- a/Lib/os.py
+++ b/Lib/os.py
@@ -377,7 +377,7 @@
from riscosenviron import _Environ
elif name in ('os2', 'nt', 'dos'): # Where Env Var Names Must Be UPPERCASE
# But we store them as upper case
- class _Environ(UserDict.UserDict):
+ class _Environ(UserDict.IterableUserDict):
def __init__(self, environ):
UserDict.UserDict.__init__(self)
data = self.data