pylint'ed

4 files changed, 5 insertions, 6 deletions

diff --git a/pysnmp/carrier/asyncore/dgram/udp6.py b/pysnmp/carrier/asyncore/dgram/udp6.py
index 7bba2397..c34037d0 100644
--- a/pysnmp/carrier/asyncore/dgram/udp6.py
+++ b/pysnmp/carrier/asyncore/dgram/udp6.py
@@ -1,7 +1,7 @@
 # Implements asyncore-based UDP6 transport domain
 try:
     from socket import AF_INET6
-except:
+except ImportError:
     AF_INET6 = None
 from pysnmp.carrier.asynsock.dgram.base import DgramSocketTransport
 
diff --git a/pysnmp/carrier/asyncore/dgram/unix.py b/pysnmp/carrier/asyncore/dgram/unix.py
index 50d08aa6..d488f2d0 100644
--- a/pysnmp/carrier/asyncore/dgram/unix.py
+++ b/pysnmp/carrier/asyncore/dgram/unix.py
@@ -36,7 +36,7 @@ class UnixSocketTransport(DgramSocketTransport):
         DgramSocketTransport.closeTransport(self)
         try:
             os.remove(self.__iface)
-        except:
+        except OSError:
             pass
 
 UnixTransport = UnixSocketTransport
diff --git a/pysnmp/carrier/base.py b/pysnmp/carrier/base.py
index d3d9a6e4..448b74d4 100644
--- a/pysnmp/carrier/base.py
+++ b/pysnmp/carrier/base.py
@@ -60,7 +60,7 @@ class AbstractTransportDispatcher:
 
     def registerRoutingCbFun(self, routingCbFun):
         if self.__routingCbFun:
-             raise error.CarrierError(
+            raise error.CarrierError(
                 'Data routing callback already registered'
             )
         self.__routingCbFun = routingCbFun
@@ -71,7 +71,7 @@ class AbstractTransportDispatcher:
 
     def registerRecvCbFun(self, recvCb, recvId=None):
         if recvId in self.__recvCallables:
-             raise error.CarrierError(
+            raise error.CarrierError(
                 'Receive callback %r already registered' % (recvId is None and '<default>' or recvId,)
             )
         self.__recvCallables[recvId] = recvCb
@@ -189,7 +189,7 @@ class AbstractTransport:
     def registerCbFun(self, cbFun):
         if self._cbFun:
             raise error.CarrierError(
-                'Callback function %s already registered at %s' % (self.__cbFun, self)
+                'Callback function %s already registered at %s' % (self._cbFun, self)
                 )
         self._cbFun = cbFun
 
diff --git a/pysnmp/carrier/twisted/base.py b/pysnmp/carrier/twisted/base.py
index c0afeaa9..b3024468 100644
--- a/pysnmp/carrier/twisted/base.py
+++ b/pysnmp/carrier/twisted/base.py
@@ -12,6 +12,5 @@ from pysnmp.carrier.base import AbstractTransport
 
 class AbstractTwistedTransport(AbstractTransport):
     protoTransportDispatcher = TwistedDispatcher
-    """Base Twisted Transport, to be used with TwistedDispatcher"""
     def __init__(self):
         self._writeQ = []