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Fix typeError with Python 3 #7

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Jan 9, 2020
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6 changes: 3 additions & 3 deletions src/rqt_topic/topic_info.py
Original file line number Diff line number Diff line change
Expand Up @@ -32,9 +32,9 @@

from __future__ import division, with_statement
try:
from cStringIO import StringIO
from cStringIO import StringIO as BufferType
except ImportError:
from io import StringIO
from io import BytesIO as BufferType

from python_qt_binding.QtCore import qWarning

Expand Down Expand Up @@ -96,7 +96,7 @@ def message_callback(self, message):
# FIXME: this only works for message of class AnyMsg
# self.sizes.append(len(message._buff))
# time consuming workaround...
buff = StringIO()
buff = BufferType()
message.serialize(buff)
self.sizes.append(len(buff.getvalue()))

Expand Down