matplotlib on pycharm with remote ssh intepreter


Question

I am using pycharm with a remote interpreter.

When I try to use matplotlib I get the following error:

>>> import matplotlib.pyplot as plt
Backend TkAgg is interactive backend. Turning interactive mode on.
Failed to enable GUI event loop integration for 'tk'
Traceback (most recent call last):
  File "/home/donbeo/.pycharm_helpers/pydev/pydev_console_utils.py", line 498, in do_enable_gui
    enable_gui(guiname)
  File "/home/donbeo/.pycharm_helpers/pydev/pydev_ipython/inputhook.py", line 509, in enable_gui
    return gui_hook(app)
  File "/home/donbeo/.pycharm_helpers/pydev/pydev_ipython/inputhook.py", line 262, in enable_tk
    app = _TK.Tk()
  File "/usr/lib/python3.4/tkinter/__init__.py", line 1808, in __init__
    self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use)
_tkinter.TclError: no display name and no $DISPLAY environment variable
>>> plt.plot([1,2,3])
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/IPython/core/interactiveshell.py", line 2821, in run_code
    exec(code_obj, self.user_global_ns, self.user_ns)
  File "<ipython-input-6-e426dd61f8f7>", line 1, in <module>
    plt.plot([1,2,3])
  File "/usr/lib/python3/dist-packages/matplotlib/pyplot.py", line 2980, in plot
    ax = gca()
  File "/usr/lib/python3/dist-packages/matplotlib/pyplot.py", line 803, in gca
    ax =  gcf().gca(**kwargs)
  File "/usr/lib/python3/dist-packages/matplotlib/pyplot.py", line 450, in gcf
    return figure()
  File "/usr/lib/python3/dist-packages/matplotlib/pyplot.py", line 423, in figure
    **kwargs)
  File "/usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py", line 79, in new_figure_manager
    return new_figure_manager_given_figure(num, figure)
  File "/usr/lib/python3/dist-packages/matplotlib/backends/backend_tkagg.py", line 87, in new_figure_manager_given_figure
    window = Tk.Tk()
  File "/usr/lib/python3.4/tkinter/__init__.py", line 1808, in __init__
    self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use)
_tkinter.TclError: no display name and no $DISPLAY environment variable
>>> plt.show()

How can I solve?

1
13
7/29/2015 2:22:01 PM

I had the same problem and fixed it by changing to a non-interactive backend:

import matplotlib
matplotlib.use('Agg')
6
2/17/2016 4:03:01 PM

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