srd: Properly use append() for appending to lists.

This is not only the canonical way to do it, it's also quite a bit faster
and less memory-intensive than using '+='.

1 files changed, 4 insertions, 4 deletions

diff --git a/decoders/i2cdemux/i2cdemux.py b/decoders/i2cdemux/i2cdemux.py
index a597188..c4c0d3b 100644
--- a/decoders/i2cdemux/i2cdemux.py
+++ b/decoders/i2cdemux/i2cdemux.py
@@ -60,7 +60,7 @@ class Decoder(srd.Decoder):
         cmd, databyte, ack = data
 
         # Add the I2C packet to our local cache.
-        self.packets += [[ss, es, data]]
+        self.packets.append([ss, es, data])
 
         if cmd in ('ADDRESS READ', 'ADDRESS WRITE'):
             if databyte in self.slaves:
@@ -68,9 +68,9 @@ class Decoder(srd.Decoder):
                 return
 
             # We're never seen this slave, add a new stream.
-            self.slaves += [databyte]
-            self.out_proto += [self.add(srd.OUTPUT_PROTO,
-                               'i2c-%s' % hex(databyte))]
+            self.slaves.append(databyte)
+            self.out_proto.append(self.add(srd.OUTPUT_PROTO,
+                                  'i2c-%s' % hex(databyte)))
             self.stream = self.streamcount
             self.streamcount += 1
         elif cmd == 'STOP':