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-rw-r--r--pyanaconda/image.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/pyanaconda/image.py b/pyanaconda/image.py
index b590276ad..ed7497670 100644
--- a/pyanaconda/image.py
+++ b/pyanaconda/image.py
@@ -198,7 +198,8 @@ def scanForMedia(tree, storage):
return None
def umountImage(tree):
- isys.umount(tree, removeDir=False)
+ if os.path.ismount(tree):
+ isys.umount(tree, removeDir=False)
def unmountCD(dev, messageWindow):
if not dev: