found a typo (removed LoadError)

commit 80f2b1273e8c0e1a28fabe537ae9c5acbbcee187
Author: Andrew Svetlov <andrew.svetlov@gmail.com>
Date:   Tue Dec 25 16:47:37 2012 +0200

    Replace IOError with OSError (#16715)
    
...

diff --git a/Lib/http/cookiejar.py b/Lib/http/cookiejar.py
index a77dc3f..7928e9b 100644
--- a/Lib/http/cookiejar.py
+++ b/Lib/http/cookiejar.py

...

@@ -1786,7 +1786,7 @@ class FileCookieJar(CookieJar):
             self._cookies = {}
             try:
                 self.load(filename, ignore_discard, ignore_expires)
-            except (LoadError, IOError):
+            except OSError:
                 self._cookies = old_state
                 raise