diff --git a/doc/api/backend_wxagg_api.rst b/doc/api/backend_wxagg_api.rst
index 67c5a00be546..9005cfdfea80 100644
--- a/doc/api/backend_wxagg_api.rst
+++ b/doc/api/backend_wxagg_api.rst
@@ -2,7 +2,9 @@
:mod:`matplotlib.backends.backend_wxagg`
========================================
-.. automodule:: matplotlib.backends.backend_wxagg
- :members:
- :undoc-members:
- :show-inheritance:
+**NOTE** Not included, to avoid adding a dependency to building the docs.
+
+.. .. automodule:: matplotlib.backends.backend_wxagg
+.. :members:
+.. :undoc-members:
+.. :show-inheritance:
diff --git a/doc/sphinxext/mock_gui_toolkits.py b/doc/sphinxext/mock_gui_toolkits.py
index a7be59a940c5..a3eee4dea61a 100644
--- a/doc/sphinxext/mock_gui_toolkits.py
+++ b/doc/sphinxext/mock_gui_toolkits.py
@@ -6,23 +6,8 @@ class MyCairoCffi(MagicMock):
__name__ = "cairocffi"
-class MyWX(MagicMock):
- class Panel(object):
- pass
-
- class ToolBar(object):
- pass
-
- class Frame(object):
- pass
-
- class StatusBar(object):
- pass
-
-
def setup(app):
sys.modules.update(
cairocffi=MyCairoCffi(),
- wx=MyWX(),
)
return {'parallel_read_safe': True, 'parallel_write_safe': True}
diff --git a/lib/matplotlib/figure.py b/lib/matplotlib/figure.py
index 487cc812d2f8..baed622914bc 100644
--- a/lib/matplotlib/figure.py
+++ b/lib/matplotlib/figure.py
@@ -18,7 +18,7 @@
import numpy as np
from matplotlib import rcParams
-from matplotlib import docstring
+from matplotlib import backends, docstring
from matplotlib import __version__ as _mpl_version
from matplotlib import get_backend
@@ -421,12 +421,8 @@ def show(self, warn=True):
Parameters
----------
warn : bool
- If ``True``, issue warning when called on a non-GUI backend
-
- Notes
- -----
- For non-GUI backends, this does nothing, in which case a warning will
- be issued if *warn* is ``True`` (default).
+ If ``True`` and we are not running headless (i.e. on Linux with an
+ unset DISPLAY), issue warning when called on a non-GUI backend.
"""
try:
manager = getattr(self.canvas, 'manager')
@@ -442,7 +438,8 @@ def show(self, warn=True):
return
except NonGuiException:
pass
- if warn:
+ if (backends._get_running_interactive_framework() != "headless"
+ and warn):
warnings.warn('Matplotlib is currently using %s, which is a '
'non-GUI backend, so cannot show the figure.'
% get_backend())
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