[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

scripts/old_plot_tests/plot_B3D-BMI_vs_B3D-Cascade.py

@@ -1,8 +1,8 @@
 """
-    Plot check that barrier3d call in cascade matches bmi
+Plot check that barrier3d call in cascade matches bmi
 
-    NOTE to users:
-        - if using Barrier3D for the first time, remember to $ pip install -e .
+NOTE to users:
+    - if using Barrier3D for the first time, remember to $ pip install -e .
 """
 
 import time