Fix benchmark

Author: methane

benchmark/benchmark.py

@@ -15,10 +15,12 @@ def profile(name, func):
 
 def simple(name, data):
     if has_ext:
-        profile("packing %s (ext)" % name, lambda: _packer.packb(data))
-    profile('packing %s (fallback)' % name, lambda: fallback.packb(data))
+        packer = _packer.Packer()
+        profile("packing %s (ext)" % name, lambda: packer.pack(data))
+    packer = fallback.Packer()
+    profile('packing %s (fallback)' % name, lambda: packer.pack(data))
 
-    data = fallback.packb(data)
+    data = packer.pack(data)
     if has_ext:
         profile('unpacking %s (ext)' % name, lambda: _unpacker.unpackb(data))
     profile('unpacking %s (fallback)' % name, lambda: fallback.unpackb(data))