MAINT: add dvipng for matplotlib LaTeX

mmcky · mmcky · commit 1332c455a509 · 2021-11-15T19:31:28.000+11:00
diff --git a/.github/workflows/cache.yml b/.github/workflows/cache.yml
@@ -28,7 +28,8 @@ jobs:
             texlive-fonts-extra       \
             texlive-xetex             \
             latexmk                   \
-            xindy
+            xindy                     \
+            dvipng
       - name: Build HTML
         shell: bash -l {0}
         run: |
