matplotlib · pharshalp · Sep 4, 2020 · Feb 26, 2020
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
@@ -2,6 +2,8 @@
 # Create and test a Python package on multiple Python versions.
 # Add steps that analyze code, save the dist with the build record, publish to a PyPI-compatible index, and more:
 # https://docs.microsoft.com/azure/devops/pipelines/languages/python
+pr: none
+trigger: none
 
 strategy:
   matrix:

diff --git a/lib/matplotlib/backends/backend_pgf.py b/lib/matplotlib/backends/backend_pgf.py
@@ -870,6 +870,12 @@ def _print_pgf_to_fh(self, fh, *,
         writeln(fh, r"\makeatother")
         writeln(fh, r"\endgroup")
 
+
+    def draw(self):
+        # docstring inherited
+        self.figure.draw(self.get_renderer())
+
+
     def print_pgf(self, fname_or_fh, *args, **kwargs):
         """
         Output pgf macros for drawing the figure so it can be included and

diff --git a/lib/matplotlib/tests/test_backend_pgf.py b/lib/matplotlib/tests/test_backend_pgf.py
@@ -324,3 +324,16 @@ def test_bbox_inches_tight(tmpdir):
     ax.imshow([[0, 1], [2, 3]])
     fig.savefig(os.path.join(tmpdir, "test.pdf"), backend="pgf",
                 bbox_inches="tight")
+
+
+@needs_pdflatex
+@pytest.mark.style('default')
+@pytest.mark.backend('pgf')
+def test_draw():
+    mpl.rcParams['pgf.texsystem'] =  'pdflatex'
+    fig, ax = plt.subplots()
+    ax.plot(np.arange(10))
+    old_Nticks = len(ax.yaxis.majorTicks)
+    fig.canvas.draw()
+    new_Nticks = len(ax.yaxis.majorTicks)
+    assert old_Nticks != new_Nticks