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

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

Author: pre-commit-ci[bot]

Examples/Tests/spacecraft_charging/analysis.py

@@ -1,10 +1,8 @@
-import numpy as np
 import matplotlib.pyplot as plt
+import numpy as np
 from openpmd_viewer import OpenPMDTimeSeries
 from scipy.optimize import curve_fit
 
-
-
 ts = OpenPMDTimeSeries('../../../../warpx/Examples/Physics_applications/spacecraft_charging/diags/diag1/')
 dt = 1.27e-8
 t=[]
@@ -21,7 +19,7 @@
 
 def func(x, v0, tau):
 
-    return v0 * (1-np.exp(-np.array(x) / tau)) 
+    return v0 * (1-np.exp(-np.array(x) / tau))
 
 
 
@@ -53,9 +51,4 @@ def func(x, v0, tau):
 f = open('results.txt', 'a')
 f.write( str(popt[0]) +' ' + str(popt[1] + '\n')
 f.close()
-assert (diff_v0 < tolerance_v0) and (diff_tau < tolerance_tau), 'Test spacecraft_charging did not pass' 
-
-
-
-
-
+assert (diff_v0 < tolerance_v0) and (diff_tau < tolerance_tau), 'Test spacecraft_charging did not pass'