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, 8 insertions, 3 deletions

diff --git a/Tools/PerformanceTests/run_alltests_1node.py b/Tools/PerformanceTests/run_alltests_1node.py
index 8bc8b3bb4..54900e9e0 100644
--- a/Tools/PerformanceTests/run_alltests_1node.py
+++ b/Tools/PerformanceTests/run_alltests_1node.py
@@ -4,8 +4,13 @@
 #
 # License: BSD-3-Clause-LBNL
 
-import os, shutil, datetime
-import argparse, re, time
+import argparse
+import datetime
+import os
+import re
+import shutil
+import time
+
 from functions_perftest import *
 
 # This script runs automated performance tests for WarpX.
@@ -301,8 +306,8 @@ if args.mode == 'read':
                   'git push -u origin development')
 
     # Plot file
-    import numpy as np
     import matplotlib
+    import numpy as np
     matplotlib.use('Agg')
     import matplotlib.pyplot as plt
     filename0 = 'my_performance_log'