pre-commit: Python imports (#2686)

* pre-commit: Python imports

Add two new Python rules to:
- remove unused imports
- sort imports according to PEP8

* pre-commit: Python imports

Add two new Python rules to:
- remove unused imports
- sort imports according to PEP8

`.editorconfig`: isort options

https://github.com/PyCQA/isort/wiki/isort-Settings

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

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

* move import os (mpl)

* move import yt (mpl)

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

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

* Cleanup around matplotlib.use

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

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

* Cleaning: double np and lib

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/Examples/Modules/relativistic_space_charge_initialization/analysis.py b/Examples/Modules/relativistic_space_charge_initialization/analysis.py
index 19dc84ef2..569a7d267 100755
--- a/Examples/Modules/relativistic_space_charge_initialization/analysis.py
+++ b/Examples/Modules/relativistic_space_charge_initialization/analysis.py
@@ -11,14 +11,17 @@ This script checks the space-charge initialization routine, by
 verifying that the space-charge field of a Gaussian beam corresponds to
 the expected theoretical field.
 """
+import os
 import sys
+
 import matplotlib
+
 matplotlib.use('Agg')
 import matplotlib.pyplot as plt
-import yt
 import numpy as np
-import os
 import scipy.constants as scc
+import yt
+
 yt.funcs.mylog.setLevel(0)
 sys.path.insert(1, '../../../../warpx/Regression/Checksum/')
 import checksumAPI