ss="n">_stub</span><span class="o">.</span><span class="n">EnableCongestionControl</span><span class="p">,</span> <span class="n">request</span><span class="p">,</span> <span class="kc">None</span><span class="p">,</span>
                         <span class="bp">self</span><span class="o">.</span><span class="n">_streamquality_error_from_response</span><span class="p">,</span> <span class="n">copy_request</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="o">**