*** numba.errors.TypingError: Failed in nopython mode pipeline (step: nopython frontend)

I am having a problem with `UMAP(...).transform()`. I loaded the model with `trans = [login to view URL]()`. ipdb> trans UMAP(a=None, angular_rp_forest=False, b=None, init='spectral', learning_rate=1.0, local_connectivity=1.0, metric='correlation', metric_kwds=None, min_dist=0.5, n_components=3, n_epochs=None, n_neighbors=3, negative_sample_rate=5, random_state=None, repulsion_strength=1.0, set_op_mix_ratio=1.0, spread=1.0, target_metric='categorical', target_metric_kwds=None, target_n_neighbors=-1, target_weight=0.5, transform_queue_size=4.0, transform_seed=42, verbose=False) As UMAP uses `numba` package, I got a problem with resolving types. Here is the error shown. ipdb> [login to view URL]([login to view URL]([login to view URL][0], -1)) *** [login to view URL]: Failed in nopython mode pipeline (step: nopython frontend) Invalid use of type(CPUDispatcher(<function rdist at 0x7f36c7ce4e18>)) with parameters (array(float32, 1d, C), array(float64, 1d, C)) Known signatures: * (array(float32, 1d, A), array(float32, 1d, A)) -> float32 * parameterized [1] During: resolving callee type: type(CPUDispatcher(<function rdist at 0x7f36c7ce4e18>)) [2] During: typing of call at /home/infinity/anaconda3/envs/HFT/lib/python3.6/site-packages/umap/[login to view URL] (776) File "../../../anaconda3/envs/HFT/lib/python3.6/site-packages/umap/[login to view URL]", line 776: def optimize_layout( <source elided> dist_squared = rdist(current, other) ^ This is not usually a problem with Numba itself but instead often caused by the use of unsupported features or an issue in resolving types. To see Python/NumPy features supported by the latest release of Numba visit: [login to view URL] and [login to view URL] For more information about typing errors and how to debug them visit: [login to view URL] Here is a `X_test` sample : array([[[-7.84867750e-05, -3.92410776e-05, -1.17713994e-04, ..., 0.00000000e+00, 0.00000000e+00, -5.88910810e-05], [ 0.00000000e+00, 0.00000000e+00, 0.00000000e+00, ..., 3.22361913e+01, 3.36224857e+01, 0.00000000e+00], [-1.17741714e-04, -1.56979711e-04, 0.00000000e+00, ..., -3.22361913e+01, -3.36224857e+01, -2.35599012e-04], ..., [ 0.00000000e+00, 0.00000000e+00, 0.00000000e+00, ..., 0.00000000e+00, 0.00000000e+00, 3.92395378e-05], [ 0.00000000e+00, 0.00000000e+00, 0.00000000e+00, ..., 0.00000000e+00, 0.00000000e+00, 0.00000000e+00], [ 0.00000000e+00, 0.00000000e+00, 0.00000000e+00, ..., 0.00000000e+00, 0.00000000e+00, 0.00000000e+00]], [[ 0.00000000e+00, 0.00000000e+00, 7.98615775e-04, ..., 0.00000000e+00, 0.00000000e+00, -2.66778461e-04], [ 0.00000000e+00, 0.00000000e+00, 0.00000000e+00, ..., 0.00000000e+00, 0.00000000e+00, 0.00000000e+00], [ 1.10377388e-03, 1.86421709e-03, 3.04066897e-04, ..., 0.00000000e+00, 0.00000000e+00, 5.52533571e-04], ..., [-3.80814562e-05, -1.10373187e-03, -3.80380000e-05, ..., 0.00000000e+00, 0.00000000e+00, -1.90615976e-05]]]) [login to view URL] is `(5839, 45, 41)` How can I fix that type error?