[JES] Re-enable blacklist loading

hive/server/common/mutes.py

@@ -58,7 +58,6 @@ class Mutes:
 
     def load(self):
         """Reload all accounts from irredeemables endpoint and global lists."""
-        return
         self.accounts = set(_read_url(self.url).decode('utf8').split())
         jsn = _read_url(self.blacklist_api_url + "/blacklists")
         self.blist = set(json.loads(jsn))
@@ -83,7 +82,7 @@ class Mutes:
         if not observer or not context:
             return {}
 
-        if perf() - cls.instance().fetched > 3600:
+        if int(perf() - cls.instance().fetched) > 3600:
             cls.instance().load()
 
         blacklisted_users = {}
@@ -101,7 +100,6 @@ class Mutes:
     @classmethod
     def lists(cls, name, rep):
         """Return blacklists the account belongs to."""
-        return[]
         assert name
         inst = cls.instance()