David Webber created ZEPPELIN-2107:
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Summary: matplotlib broken under zeppelin 0.7.0, matplotlib 2.0.0,
python3
Key: ZEPPELIN-2107
URL: https://issues.apache.org/jira/browse/ZEPPELIN-2107
Project: Zeppelin
Issue Type: Bug
Reporter: David Webber
Long time lurker first time poster. Sorry if this is the wrong place or if
this bug is due to user error.
I installed zeppelin 0.7.0 from binaries and attempted to use a python3-based
venv, but I find that matplotlib appears to be broken.
input cell:
%python
import matplotlib
import sys
print(sys.version)
print(sys.executable)
print(matplotlib.__version__)
import matplotlib.pyplot as plt
plt.plot([1,2,3])
output cell:
3.4.2 (default, Oct 8 2014, 10:45:20)
[GCC 4.9.1]
/app/zeppelin/zeppelin_venv/bin/python
2.0.0
[<matplotlib.lines.Line2D object at 0x7fcf669d79b0>]
Traceback (most recent call last): File "", line 1, in File
"/app/zeppelin/zeppelin/interpreter/lib/python/backend_zinline.py", line 299,
in displayhook show() File
"/app/zeppelin/zeppelin/interpreter/lib/python/backend_zinline.py", line 71, in
__call__ manager.show(**kwargs) File
"/app/zeppelin/zeppelin/interpreter/lib/python/backend_zinline.py", line 204,
in show zdisplay(self.canvas.figure, **kwargs) File
"/app/zeppelin/zeppelin/interpreter/lib/python/backend_zinline.py", line 286,
in zdisplay src = fig.canvas.manager.angular_bind(**kwargs) File
"/app/zeppelin/zeppelin/interpreter/lib/python/backend_zinline.py", line 158,
in angular_bind src = self.canvas.get_bytes(**kwargs) File
"/app/zeppelin/zeppelin/interpreter/lib/python/backend_zinline.py", line 97, in
get_bytes byte_str = b"data:image/%s;base64," %fmt TypeError: unsupported
operand type(s) for %: 'bytes' and 'bytes'
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