style: pre-commit fixes

pre-commit-ci[bot] · pre-commit-ci[bot] · commit d013f0ad59f8 · 2024-01-21T12:11:44.000Z
diff --git a/pybamm/__init__.py b/pybamm/__init__.py
@@ -45,9 +45,9 @@
 )
 from .expression_tree.symbol import Symbol
 from .expression_tree import (SpatialOperator,
-                              Concatenation, 
-                              is_scalar_zero, 
-                              is_scalar_one, 
+                              Concatenation,
+                              is_scalar_zero,
+                              is_scalar_one,
                               is_scalar_minus_one,
                               is_scalar_minus_one,
                               is_matrix_zero,
