do not crash in final console-conf screen if no host keys are read (mostly dry-run mode)
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@ -89,6 +89,8 @@ The {keytype} host key fingerprints is:
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def host_key_info():
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fingerprints = host_key_fingerprints()
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if len(fingerprints) == 0:
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return []
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if len(fingerprints) == 1:
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[(keytype, fingerprint)] = fingerprints
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return single_host_key_tmpl.format(keytype=keytype, fingerprint=fingerprint)
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