deploy: 3d589fb

GoogleCloudPlatform · Jun 8, 2024 · 059e99d · 059e99d
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diff --git a/.doctrees/environment.pickle b/.doctrees/environment.pickle
diff --git a/_modules/ramble/graphs.html b/_modules/ramble/graphs.html
@@ -214,7 +214,14 @@ <h1>Source code for ramble.graphs</h1><div class="highlight"><pre>
 <span class="sd">            node (GraphNode): Each node in the graph</span>
 <span class="sd">        &quot;&quot;&quot;</span>
         <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">_prepared</span><span class="p">:</span>
-            <span class="n">sorter</span> <span class="o">=</span> <span class="n">graphlib</span><span class="o">.</span><span class="n">TopologicalSorter</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">adj_list</span><span class="p">)</span>
+            <span class="k">try</span><span class="p">:</span>
+                <span class="n">sorter</span> <span class="o">=</span> <span class="n">graphlib</span><span class="o">.</span><span class="n">TopologicalSorter</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">adj_list</span><span class="p">)</span>
+            <span class="k">except</span> <span class="ne">AttributeError</span><span class="p">:</span>
+                <span class="n">logger</span><span class="o">.</span><span class="n">die</span><span class="p">(</span>
+                    <span class="s2">&quot;graphlib.TopologicalSorter is not found.&quot;</span>
+                    <span class="s2">&quot;Ensure requirements.txt are installed (including backports, where needed).&quot;</span>
+                <span class="p">)</span>
+
             <span class="k">try</span><span class="p">:</span>
                 <span class="bp">self</span><span class="o">.</span><span class="n">_sorted</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">sorter</span><span class="o">.</span><span class="n">static_order</span><span class="p">())</span>
             <span class="k">except</span> <span class="n">graphlib</span><span class="o">.</span><span class="n">CycleError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>