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-rw-r--r--Lib/filecmp.py6
1 files changed, 3 insertions, 3 deletions
diff --git a/Lib/filecmp.py b/Lib/filecmp.py
index 9c0ce5a851..ac01613479 100644
--- a/Lib/filecmp.py
+++ b/Lib/filecmp.py
@@ -132,9 +132,9 @@ class dircmp:
def phase1(self): # Compute common names
a = dict(izip(imap(os.path.normcase, self.left_list), self.left_list))
b = dict(izip(imap(os.path.normcase, self.right_list), self.right_list))
- self.common = map(a.__getitem__, ifilter(b.__contains__, a))
- self.left_only = map(a.__getitem__, ifilterfalse(b.__contains__, a))
- self.right_only = map(b.__getitem__, ifilterfalse(a.__contains__, b))
+ self.common = list(map(a.__getitem__, ifilter(b.__contains__, a)))
+ self.left_only = list(map(a.__getitem__, ifilterfalse(b.__contains__, a)))
+ self.right_only = list(map(b.__getitem__, ifilterfalse(a.__contains__, b)))
def phase2(self): # Distinguish files, directories, funnies
self.common_dirs = []