Lots of flake8 fix.

1 files changed, 4 insertions, 6 deletions

diff --git a/paramiko/hostkeys.py b/paramiko/hostkeys.py
index 2ee3d27f..de7fc8ba 100644
--- a/paramiko/hostkeys.py
+++ b/paramiko/hostkeys.py
@@ -111,8 +111,8 @@ class HostKeys (MutableMapping):
 
     def save(self, filename):
         """
-        Save host keys into a file, in the format used by OpenSSH.  The order of
-        keys in the file will be preserved when possible (if these keys were
+        Save host keys into a file, in the format used by OpenSSH.  The order
+        of keys in the file will be preserved when possible (if these keys were
         loaded from a file originally).  The single exception is that combined
         lines will be split into individual key lines, which is arguably a bug.
 
@@ -135,7 +135,8 @@ class HostKeys (MutableMapping):
         returned.  The keytype will be either ``"ssh-rsa"`` or ``"ssh-dss"``.
 
         :param str hostname: the hostname (or IP) to lookup
-        :return: dict of `str` -> `.PKey` keys associated with this host (or ``None``)
+        :return: dict of `str` -> `.PKey` keys associated with this host
+            (or ``None``)
         """
         class SubDict (MutableMapping):
             def __init__(self, hostname, entries, hostkeys):
@@ -220,9 +221,6 @@ class HostKeys (MutableMapping):
     def __len__(self):
         return len(self.keys())
 
-    def __delitem__(self, key):
-        k = self[key]
-
     def __getitem__(self, key):
         ret = self.lookup(key)
         if ret is None: