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

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Examples/Tests/collision/analysis_collision_1d.py

@@ -37,11 +37,11 @@
 
 # Separate macroparticles from group A (low weight) and group B (high weight)
 # by sorting based on weight
-sorted_indices = data['ions','particle_weight'].argsort()
-sorted_wp = data['ions', 'particle_weight'][sorted_indices].value
-sorted_px = data['ions', 'particle_momentum_x'][sorted_indices].value
-sorted_py = data['ions', 'particle_momentum_y'][sorted_indices].value
-sorted_pz = data['ions', 'particle_momentum_z'][sorted_indices].value
+sorted_indices = data["ions", "particle_weight"].argsort()
+sorted_wp = data["ions", "particle_weight"][sorted_indices].value
+sorted_px = data["ions", "particle_momentum_x"][sorted_indices].value
+sorted_py = data["ions", "particle_momentum_y"][sorted_indices].value
+sorted_pz = data["ions", "particle_momentum_z"][sorted_indices].value
 
 # Find the index 'Npmin' that separates macroparticles from group A and group B
 Np = len(sorted_wp)