ComplexWarning: Casting complex values to real discards the imaginary part
  array = np.array(array, dtype=dtype, order=order, copy=copy)

import numpy as np
from sklearn.decomposition import PCA

X = np.array([[-1+1j, -1], [-2j, -1], [-3, -2], [1, 1], [2, 1], [3, 2]])

pca = PCA(svd_solver='full')

Y = pca.fit_transform(X)
B = pca.components_
print(pca.singular_values_)
print(B)

X_reconstructed = pca.inverse_transform(Y)
print(np.allclose(X, X_reconstructed))