flake8

src/allmydata/client.py

@@ -2,7 +2,6 @@ import os
 import stat
 import time
 import weakref
-import json
 from allmydata import node
 from base64 import urlsafe_b64encode
 from functools import partial

src/allmydata/grid_manager.py

@@ -419,7 +419,6 @@ def create_grid_manager_verifier(keys, certs, public_key, now_fn=None, bad_cert=
         # if *any* certificate is still valid then we consider the server valid
         for cert in valid_certs:
             expires = datetime.utcfromtimestamp(cert['expires'])
-            cert_pubkey = ed25519.verifying_key_from_string(cert['public_key'].encode('ascii'))
             if cert['public_key'] == public_key:
                 if expires > now:
                     # not-expired

src/allmydata/node.py

@@ -14,6 +14,7 @@ if PY2:
     from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min  # noqa: F401
 from six import ensure_str, ensure_text
 
+import json
 import datetime
 import os.path
 import re