span class="cm-variable">file</span>.<span class="cm-property">filename</span> <span class="cm-operator">==</span> <span class="cm-string">''</span>:</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-keyword">return</span> <span class="cm-variable">responses</span>.<span class="cm-property">callback_public_fileerr1</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="