def returns_false_when_given_invalid_pubkey(key):
     assert not is_valid_openssh_pubkey(key)
 def returns_false_when_given_invalid_pubkey(key):
     assert not is_valid_openssh_pubkey(key)
 def returns_true_when_given_valid_pubkey(key):
     assert is_valid_openssh_pubkey(key)
 def returns_true_when_given_valid_pubkey(key):
     assert is_valid_openssh_pubkey(key)