flake8

src/allmydata/grid_manager.py

@@ -65,7 +65,7 @@ def load_grid_manager(config_path, config_location):
             config_file = config_path.child("config.json").open("r")
         except IOError:
             raise ValueError(
-                "'{}' is not a Grid Manager config-directory".format(config)
+                "'{}' is not a Grid Manager config-directory".format(config_path)
             )
     with config_file:
         config = json.load(config_file)

src/allmydata/storage_client.py

@@ -41,9 +41,7 @@ if PY2:
 
 import re
 import time
-import json
 import hashlib
-from datetime import datetime
 
 # On Python 2 this will be the backport.
 from configparser import NoSectionError