title: Error while using deep copy in python, Jepp
body: <pre><code>num = 6
  SG=np.empty((num),dtype=object)
  SG=[0.001,0.002,0.003,0.004,0.005,0.006]
  SG1=np.empty((num),dtype=object)
  for tempv in range(0,6):
      for tempt in range(tempv+1,6):
          if SG[tempv]==SG[tempt]:
              SG[tempt]=SG[tempt]+0.000001
  SG1=deepcopy(SG)
  </code></pre>
  
  <p>While executing this code. This exception is thrown</p>
  
  <pre><code>jep.JepException: jep.JepException: &lt;class 'copy.Error'&gt;: un(deep)copyable object of type &lt;class 'jep.PyJNumber'&gt;
  </code></pre>