unted in n_cpus.</span>
<span class="sd">            derivatives_shape(list or None): If a fixed size output is produced from</span>
<span class="sd">                each job, this contains its shape. For variable size output</span>
<span class="sd">                this parameter is set to None</span>
<span class="sd">            derivatives_shape(list or None): If a fixed size output is produced from</span>
<span class="sd">                each job, this contains its shape. For variable size output</span>
