Merge d8782dc594 into 3cb904cfd8

socketio/packet.py

@@ -141,6 +141,7 @@ class Packet(object):
 
     def _data_is_binary(self, data):
         """Check if the data contains binary components."""
+        try:
             if isinstance(data, six.binary_type):
                 return True
             elif isinstance(data, list):
@@ -153,3 +154,5 @@ class Packet(object):
                                           for item in six.itervalues(data)])
             else:
                 return False
+        except TypeError:
+            return False