Fix some pylint warnings.

sippy/CLIManager.py

@@ -85,7 +85,7 @@ def run(self):
 class CLIConnectionManager(object):
     command_cb = None
     tcp = False
-    accept_list = None
+    accept_list: list = None
     serversock = None
     atr = None
 
@@ -120,9 +120,10 @@ def __init__(self, command_cb, address = None, sock_owner = None, backlog = 16,
 
     def handle_accept(self, conn, address):
         #print(self.handle_accept)
-        if self.tcp and self.accept_list != None and address[0] not in self.accept_list:
-            conn.close()
-            return
+        if self.tcp and self.accept_list is not None:
+            if address[0] not in self.accept_list: # pylint: disable=unsupported-membership-test
+                conn.close()
+                return
         try:
             cm = CLIManager(conn, self.command_cb, address)
         except Exception as e:
@@ -274,7 +275,7 @@ def shutdown(self):
         try:
             self.clientsock.shutdown(socket.SHUT_RDWR)
         except Exception as e:
-            if not isinstance(e, socket.error) or e.errno != ENOTCONN:
+            if not isinstance(e, socket.error) or e.errno != ENOTCONN: # pylint: disable=no-member
                 dump_exception('self.clientsock.shutdown(socket.SHUT_RDWR)')
         self.clientsock.close()
         self.wthr = None

sippy/Core/Exceptions.py

@@ -34,7 +34,7 @@ class StdException(Exception):
 
     def __init__(self, *args):
         pin_exception(self, 2)
-        super(self.__class__, self).__init__(*args)
+        super(StdException, self).__init__(*args)
 
 def dump_exception(msg, f = sys.stdout, extra = None):
     exc_type, exc_value, exc_traceback = sys.exc_info()

sippy/Security/SipNonce.py

@@ -71,7 +71,7 @@ def decrypt(self, enc):
 DGST_PRIOS = (DGST_SHA512, DGST_SHA512SESS, DGST_SHA256, DGST_SHA256SESS, DGST_MD5, DGST_MD5SESS)
 
 class HashOracle(object):
-    try: key
+    try: key # pylint: disable=used-before-assignment
     except: key = Random.new().read(AES.block_size * 2)
     ac = None
     vtime = 32 * 10**9