diff options
Diffstat (limited to 'Lib/urllib/request.py')
-rw-r--r-- | Lib/urllib/request.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/urllib/request.py b/Lib/urllib/request.py index 43d6caa..72e91dd 100644 --- a/Lib/urllib/request.py +++ b/Lib/urllib/request.py @@ -1911,7 +1911,7 @@ class URLopener: # XXX thread unsafe! if len(self.ftpcache) > MAXFTPCACHE: # Prune the cache, rather arbitrarily - for k in self.ftpcache.keys(): + for k in list(self.ftpcache): if k != key: v = self.ftpcache[k] del self.ftpcache[k] |