Comment 14 for bug 676767

I get this error too. `\rm -r ~/.cache/duplicity` did not resolve it.

```
duplicity restore file://psm-images/ uploads
Synchronizing remote metadata to local cache...
Copying duplicity-full-signatures.20170826T023715Z.sigtar.gz to local cache.
Copying duplicity-full-signatures.20170826T024126Z.sigtar.gz to local cache.
Copying duplicity-full.20170826T023715Z.manifest to local cache.
Copying duplicity-full.20170826T024126Z.manifest to local cache.
Copying duplicity-new-signatures.20170826T024126Z.to.20170828T221324Z.sigtar.gz to local cache.
Failed to read /tmp/duplicity-nCtyW6-tempdir/mktemp-_AsaJn-10: (<type 'exceptions.IOError'>, IOError('CRC check failed 0x8833f151 != 0x465163a2L',), <traceback object at 0x7fcc82046518>)
```