cgi.py: Emit the error about `POST' content-type correctly.

diff --git a/cgi.py b/cgi.py
index 01fb868..6006062 100644 (file)
--- a/cgi.py
+++ b/cgi.py
@@ -401,7 +401,8 @@ def cgiparse():
     if not n.isdigit():
       raise U.ExpectedError, (500, "Invalid CONTENT_LENGTH")
     n = int(n, 10)
-    if getenv('CONTENT_TYPE') != 'application/x-www-form-urlencoded':
+    ct = getenv('CONTENT_TYPE')
+    if ct != 'application/x-www-form-urlencoded':
       raise U.ExpectedError, (500, "Unexpected content type `%s'" % ct)
     q = SYS.stdin.read(n)
     if len(q) != n: