diff --git a/examples/coulomb_blockade/pentacene/hybr.py b/examples/coulomb_blockade/pentacene/hybr.py
index 01a47ce..9cfecb7 100755
--- a/examples/coulomb_blockade/pentacene/hybr.py
+++ b/examples/coulomb_blockade/pentacene/hybr.py
@@ -72,9 +72,7 @@ def hybridize_orbitals(
     # Matsubara
     gf.eta = 0.0
     beta = 1 / (kB * temperature)
-    matsubara_energies = (
-        1.0j * (2 * np.arange(matsubara_grid_size) + 1) * np.pi / beta
-    )
+    matsubara_energies = 1.0j * (2 * np.arange(matsubara_grid_size) + 1) * np.pi / beta
     gd = GridDesc(matsubara_energies, no, complex)
     HB = gd.empty_aligned_orbs()
 
diff --git a/pyproject.toml b/pyproject.toml
index f45abf4..bbe33f7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -101,7 +101,7 @@ ignore = [
   "RUF005", # Consider iterable unpacking instead of concatenation
   "RUF012"
 ]
-line-length = 80
+line-length = 88
 select = [
   "E", # pydocstyle
   "W", # pydocstyle
diff --git a/src/aiida_quantum_transport/helpers.py b/src/aiida_quantum_transport/helpers.py
index ad5996c..d7cb30c 100644
--- a/src/aiida_quantum_transport/helpers.py
+++ b/src/aiida_quantum_transport/helpers.py
@@ -1,4 +1,4 @@
-""" Helper functions for automatically setting up computer & code.
+"""Helper functions for automatically setting up computer & code.
 
 Helper functions for setting up
 
@@ -6,6 +6,7 @@
  2. A code on localhost
 
 """
+
 from __future__ import annotations
 
 import shutil