From d9bb28262b9a7753685d9b5baaee73a9c723920e Mon Sep 17 00:00:00 2001
From: knikolaou <>
Date: Thu, 2 May 2024 20:21:23 +0200
Subject: [PATCH] run black

---
 znnl/training_recording/jax_recording.py | 10 +++++-----
 znnl/utils/matrix_utils.py               |  1 +
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/znnl/training_recording/jax_recording.py b/znnl/training_recording/jax_recording.py
index 8d0c916..0efcff9 100644
--- a/znnl/training_recording/jax_recording.py
+++ b/znnl/training_recording/jax_recording.py
@@ -29,6 +29,7 @@
 from dataclasses import dataclass, make_dataclass
 from os import path
 from pathlib import Path
+from typing import Optional
 
 import jax.numpy as np
 import numpy as onp
@@ -41,12 +42,11 @@
 from znnl.models.jax_model import JaxModel
 from znnl.training_recording.data_storage import DataStorage
 from znnl.utils.matrix_utils import (
+    calculate_trace,
     compute_magnitude_density,
     flatten_rank_4_tensor,
     normalize_gram_matrix,
-    calculate_trace,
 )
-from typing import Optional
 
 logger = logging.getLogger(__name__)
 
@@ -181,7 +181,7 @@ class JaxRecorder:
     _loss_derivative_fn: LossDerivative = False
     _index_count: int = 0  # Helps to avoid problems with non-1 update rates.
     _data_storage: DataStorage = None  # For writing to disk.
-    _ntk_rank: Optional[int] = None # Rank of the NTK matrix.
+    _ntk_rank: Optional[int] = None  # Rank of the NTK matrix.
 
     def _read_selected_attributes(self):
         """
@@ -320,7 +320,7 @@ def update_recorder(self, epoch: int, model: JaxModel):
                     ntk = self._model.compute_ntk(
                         self._data_set["inputs"], infinite=False
                     )["empirical"]
-                    self._ntk_rank = len(ntk.shape) 
+                    self._ntk_rank = len(ntk.shape)
                     if self.flatten_ntk and self._ntk_rank == 4:
                         ntk = flatten_rank_4_tensor(ntk)
                     parsed_data["ntk"] = ntk
@@ -591,7 +591,7 @@ def _update_trace(self, parsed_data: dict):
         """
         Update the trace of the NTK.
 
-        The trace of the NTK is computed as the mean of the diagonal elements of the 
+        The trace of the NTK is computed as the mean of the diagonal elements of the
         NTK.
 
         Parameters
diff --git a/znnl/utils/matrix_utils.py b/znnl/utils/matrix_utils.py
index 95819c7..496fd8a 100644
--- a/znnl/utils/matrix_utils.py
+++ b/znnl/utils/matrix_utils.py
@@ -168,6 +168,7 @@ def flatten_rank_4_tensor(tensor: np.ndarray) -> np.ndarray:
         _tensor.shape[0] * _tensor.shape[1], _tensor.shape[0] * _tensor.shape[1]
     )
 
+
 def calculate_trace(matrix: np.ndarray, normalize: bool = False) -> np.ndarray:
     """
     Calculate the trace of a matrix, including optional normalization.