title: TypeError: Field elements must be 2- or 3-tuples, got '5.0'
body: <pre><code>import numpy as np 
  a = np.array([8.0,7.0,6.0],[5.0,4.0])
  print(a)
  </code></pre>
  <p>I am trying to run this code but I get this error. (In Jupiter)</p>
  <hr />
  <pre><code>TypeError                                 Traceback (most recent call last)
  &lt;ipython-input-3-31ad187a1d2f&gt; in &lt;module&gt;
        1 import numpy as np
  ----&gt; 2 a = np.array([8.0,7.0,6.0],[5.0,4.0])
        3 print(a)
  
  TypeError: Field elements must be 2- or 3-tuples, got '5.0'
  </code></pre>