matplotlib
diff --git a/‎lib/matplotlib/backend_bases.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backend_bases.py
+2-8Lines changed: 2 additions & 8 deletions b/‎lib/matplotlib/backend_bases.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backend_bases.py
+2-8Lines changed: 2 additions & 8 deletions
diff --git a/‎lib/matplotlib/figure.py
Copy file name to clipboardExpand all lines: lib/matplotlib/figure.py
+3-4Lines changed: 3 additions & 4 deletions b/‎lib/matplotlib/figure.py
Copy file name to clipboardExpand all lines: lib/matplotlib/figure.py
+3-4Lines changed: 3 additions & 4 deletions
diff --git a/‎lib/matplotlib/tests/test_backend_bases.py
Copy file name to clipboardExpand all lines: lib/matplotlib/tests/test_backend_bases.py
+4-6Lines changed: 4 additions & 6 deletions b/‎lib/matplotlib/tests/test_backend_bases.py
Copy file name to clipboardExpand all lines: lib/matplotlib/tests/test_backend_bases.py
+4-6Lines changed: 4 additions & 6 deletions
@@ -185,14 +185,8 @@ def show(cls, block=None):
         if not managers:
             return
         for manager in managers:
-            try:
-                manager.show()
-            except NonGuiException:
-                warnings.warn(
-                    ('matplotlib is currently using %s, which is a ' +
-                     'non-GUI backend, so cannot show the figure.')
-                    % get_backend())
-                return
+            # Emits a warning if the backend is non-interactive.
+            manager.canvas.figure.show()
         if cls.mainloop is None:
             return
         if block is None:
 
@@ -439,10 +439,9 @@ def show(self, warn=True):
             except NonGuiException:
                 pass
         if warn:
-            warnings.warn(
-                ('matplotlib is currently using %s, which is a ' +
-                 'non-GUI backend, so cannot show the figure.')
-                % get_backend())
+            warnings.warn('Matplotlib is currently using %s, which is a '
+                          'non-GUI backend, so cannot show the figure.'
+                          % get_backend())
 
     def _get_axes(self):
         return self._axstack.as_list()
 
@@ -69,13 +69,11 @@ def test_non_gui_warning():
     with pytest.warns(UserWarning) as rec:
         plt.show()
         assert len(rec) == 1
-        assert 'matplotlib is currently using pdf, ' \
-               'which is a non-GUI backend' \
-               in str(rec[0].message)
+        assert ('Matplotlib is currently using pdf, which is a non-GUI backend'
+                in str(rec[0].message))
 
     with pytest.warns(UserWarning) as rec:
         plt.gcf().show()
         assert len(rec) == 1
-        assert 'matplotlib is currently using pdf, ' \
-               'which is a non-GUI backend' \
-               in str(rec[0].message)
+        assert ('Matplotlib is currently using pdf, which is a non-GUI backend'
+                in str(rec[0].message))