title: Can´t import qiskit, attribute error in numpy: " 'numpy.random' has no attribute 'default_rng'"
body: <p>I´m using Python 3 and I´m working in jupyter, when I try to import qiskit the following error is showed:</p>
  
  <pre><code>---------------------------------------------------------------------------
  AttributeError                            Traceback (most recent call last)
  &lt;ipython-input-2-578b7f7e9727&gt; in &lt;module&gt;
  ----&gt; 1 import qiskit
  
  
  
  ~\AppData\Roaming\Python\Python36\site-packages\qiskit\quantum_info\synthesis\two_qubit_decompose.py in __init__(self, unitary_matrix)
      169         # D, P = la.eig(M2)  # this can fail for certain kinds of degeneracy
      170         for i in range(100):  # FIXME: this randomized algorithm is horrendous
  --&gt; 171             state = np.random.default_rng(i)
      172             M2real = state.normal()*M2.real + state.normal()*M2.imag
      173             _, P = la.eigh(M2real)
  
  AttributeError: module 'numpy.random' has no attribute 'default_rng'
  </code></pre>