code: def custom_init(X):
      init_cov = np.cov(X, rowvar=False)
      return init_cov, np.max(np.abs(np.triu(init_cov)))
  
file_path: skggm/inverse_covariance/tests/quic_graph_lasso_test.py
imports: import numpy
  import pytest
  from sklearn.utils._testing import assert_raises
  from sklearn.utils._testing import assert_allclose
  from sklearn import datasets
  from inverse_covariance import QuicGraphicalLasso, QuicGraphicalLassoCV, QuicGraphicalLassoEBIC, quic
label_desc: Use image node_id 1 for calling a global function with example usage: custom_init(X) and returns: init_cov,  np