linting fix

Author: scottjones03

lib/matplotlib/tests/test_figure.py

@@ -1252,7 +1252,7 @@ def test_subfigure_pdf():
     fig = plt.figure(layout='constrained')
     sub_fig = fig.subfigures()
     ax = sub_fig.add_subplot(111)
-    b = ax.bar(1,1)
+    b = ax.bar(1, 1)
     ax.bar_label(b)
     buffer = io.BytesIO()
     fig.savefig(buffer, format='pdf')