Specifically only catch UnicodeDecodeError in IRCSocket.read

src/IRCSocket.py

@@ -105,12 +105,12 @@ class Socket(IRCObject.Object):
         for line in data_lines:
             try:
                 decoded_line = line.decode(self._encoding)
-            except:
+            except UnicodeDecodeError:
                 self.log.trace("can't decode line with '%s', falling back",
                     [self._encoding])
                 try:
                     decoded_line = line.decode(self._fallback_encoding)
-                except:
+                except UnicodeDecodeError:
                     continue
             decoded_lines.append(decoded_line)