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fix matplotlib display error on python 3.4

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This commit is contained in:
Lee moon soo 2017-03-18 10:10:00 -07:00
parent 3e6603b163
commit c5e584af9a
1 changed files with 5 additions and 1 deletions
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6
interpreter/lib/python/backend_zinline.py
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@ -18,6 +18,7 @@
from __future__ import print_function
import sys
import uuid
import warnings
import base64
@ -94,7 +95,10 @@ class FigureCanvasZInline(FigureCanvasAgg):
buf = BytesIO()
self.print_figure(buf, **kwargs)
fmt = fmt.encode()
byte_str = b"data:image/%s;base64," %fmt
if sys.version_info >= (3, 4) and sys.version_info < (3, 5):
byte_str = bytes("data:image/%s;base64," %fmt, "utf-8")
else:
byte_str = b"data:image/%s;base64," %fmt
byte_str += base64.b64encode(buf.getvalue())
# Python3 forces all strings to default to unicode, but for raster image