Another fix

Author: max-models

.github/workflows/ci_pipeline.yml

@@ -25,6 +25,14 @@ jobs:
       #   with:
       #     python-version: ${{ matrix.python-version }}
 
+      - name: Install LaTeX
+        run: |
+          # pdflatex with pgfplots: the tikzfigure backend, its tests and tutorials
+          sudo apt-get update
+          sudo apt-get install -y --no-install-recommends \
+            texlive-latex-base texlive-latex-extra texlive-pictures \
+            texlive-fonts-recommended lmodern
+
       - name: Install python dependencies
         run: |
           python -m pip install --upgrade pip
@@ -39,7 +47,5 @@ jobs:
       
       - name: Test tutorials
         run: |
-          # tutorial_07_tikz.ipynb requires pdflatex — skip it in CI
-          jupyter nbconvert --to notebook --execute \
-            $(ls tutorials/*.ipynb | grep -v tutorial_07_tikz) \
+          jupyter nbconvert --to notebook --execute tutorials/*.ipynb \
             --output-dir=/tmp --ExecutePreprocessor.timeout=300

tutorials/tutorial_02.ipynb

@@ -82,7 +82,7 @@
     "    xlim=(0, 360),\n",
     "    ylim=(-1.5, 1.5),\n",
     "    grid=True,\n",
-    "    caption=\"Sine Function\",\n",
+    "    title=\"Sine Function\",\n",
     "    width=0.45,\n",
     ")\n",
     "ax1.add_plot(x=x, y=y1, label=\"sin(x)\", color=\"red\", line_width=\"1.5pt\")\n",
@@ -95,7 +95,7 @@
     "    xlim=(0, 360),\n",
     "    ylim=(-1.5, 1.5),\n",
     "    grid=True,\n",
-    "    caption=\"Cosine Function\",\n",
+    "    title=\"Cosine Function\",\n",
     "    width=0.45,\n",
     ")\n",
     "ax2.add_plot(x=x, y=y2, label=\"cos(x)\", color=\"blue\", line_width=\"1.5pt\")\n",