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Author: dham

0_preface.html

@@ -236,7 +236,7 @@ <h2>Changes in the second and third editions<a class="headerlink" href="#changes
 workspaces in <a class="reference internal" href="2_programs_in_files.html#workspaces"><span class="std std-numref">Section 2.2.1</span></a>, and the Flake8 extension in
 <a class="reference internal" href="4_style.html#flake8-extension"><span class="std std-numref">Section 4.2.2</span></a>. Together, these provide correctly integrated code
 linting. It also consistently uses <code class="xref py py-obj docutils literal notranslate"><span class="pre">python</span> <span class="pre">-m</span></code> to invoke tools such as <code class="xref py py-obj docutils literal notranslate"><span class="pre">pip</span></code>,
-<a class="reference external" href="https://docs.pytest.org/en/latest/index.html#module-pytest" title="(in pytest v8.4.0.dev128)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pytest</span></code></a> and <code class="xref py py-obj docutils literal notranslate"><span class="pre">flake8</span></code>. This is less error-prone for students. The description
+<a class="reference external" href="https://docs.pytest.org/en/latest/index.html#module-pytest" title="(in pytest v8.4.0.dev200)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pytest</span></code></a> and <code class="xref py py-obj docutils literal notranslate"><span class="pre">flake8</span></code>. This is less error-prone for students. The description
 of <a class="reference external" href="https://docs.python.org/3/reference/compound_stmts.html#finally" title="(in Python v3.13)"><code class="xref std std-keyword docutils literal notranslate"><span class="pre">finally</span></code></a> in <a class="reference internal" href="6_exceptions.html#else-finally"><span class="std std-numref">Section 6.5.2</span></a> has been also improved.</p>
 </section>
 </section>

2_programs_in_files.html

@@ -716,7 +716,7 @@ <h2><span class="section-number">2.5. </span>Testing frameworks<a class="headerl
 including tests in your code here.</p>
 <p>There are a number of Python packages which support code testing. The concepts
 are largely similar so rather than get bogged down in the details of multiple
-frameworks, we will introduce <a class="reference external" href="https://docs.pytest.org/en/latest/index.html" title="(in pytest v8.4.0.dev128)"><span class="xref std std-doc">Pytest</span></a>, which is one of the
+frameworks, we will introduce <a class="reference external" href="https://docs.pytest.org/en/latest/index.html" title="(in pytest v8.4.0.dev200)"><span class="xref std std-doc">Pytest</span></a>, which is one of the
 most widely used. Pytest is simply a Python package, so you can install it into
 your current environment using:</p>
 <div class="highlight-console notranslate"><div class="highlight"><pre><span></span><span class="gp gp-VirtualEnv">(PoP_venv)</span> <span class="gp">$ </span>python<span class="w"> </span>-m<span class="w"> </span>pip<span class="w"> </span>install<span class="w"> </span>pytest

7_inheritance.html

@@ -334,11 +334,11 @@ <h3><span class="section-number">7.1.2. </span>General linear groups<a class="he
 <span class="linenos"> 5</span>
 <span class="linenos"> 6</span>    <span class="k">def</span> <span class="nf">_validate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
 <span class="linenos"> 7</span><span class="w">        </span><span class="sd">&quot;&quot;&quot;Ensure that value is an allowed element value in this group.&quot;&quot;&quot;</span>
-<span class="linenos"> 8</span>        <span class="k">if</span> <span class="ow">not</span> <span class="p">(</span><span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">np</span><span class="o">.</span><span class="n">ndarray</span><span class="p">),</span>
-<span class="linenos"> 9</span>                <span class="n">value</span><span class="o">.</span><span class="n">shape</span> <span class="o">==</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">degree</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">degree</span><span class="p">)):</span>
+<span class="linenos"> 8</span>        <span class="n">value</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">asarray</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
+<span class="linenos"> 9</span>        <span class="k">if</span> <span class="ow">not</span> <span class="p">(</span><span class="n">value</span><span class="o">.</span><span class="n">shape</span> <span class="o">==</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">n</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">n</span><span class="p">)):</span>
 <span class="linenos">10</span>            <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="s2">&quot;Element value must be a &quot;</span>
-<span class="linenos">11</span>                            <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">degree</span><span class="si">}</span><span class="s2"> x </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">degree</span><span class="si">}</span><span class="s2">&quot;</span>
-<span class="linenos">12</span>                            <span class="s2">&quot;square array.&quot;</span><span class="p">)</span>
+<span class="linenos">11</span>                             <span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">n</span><span class="si">}</span><span class="s2"> x </span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">n</span><span class="si">}</span><span class="s2">&quot;</span>
+<span class="linenos">12</span>                             <span class="s2">&quot;square array.&quot;</span><span class="p">)</span>
 <span class="linenos">13</span>
 <span class="linenos">14</span>    <span class="k">def</span> <span class="nf">operation</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">a</span><span class="p">,</span> <span class="n">b</span><span class="p">):</span>
 <span class="linenos">15</span><span class="w">        </span><span class="sd">&quot;&quot;&quot;Perform the group operation on two values.</span>

_sources/7_inheritance.rst.txt

@@ -329,11 +329,11 @@ follows:
 
         def _validate(self, value):
             """Ensure that value is an allowed element value in this group."""
-            if not (isinstance(value, np.ndarray),
-                    value.shape == (self.degree, self.degree)):
+            value = np.asarray(value)
+            if not (value.shape == (self.n, self.n)):
                 raise ValueError("Element value must be a "
-                                f"{self.degree} x {self.degree}"
-                                "square array.")
+                                 f"{self.n} x {self.n}"
+                                 "square array.")
 
         def operation(self, a, b):
             """Perform the group operation on two values.