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

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tests/test_ui_mpldrawer.py

@@ -1,14 +1,16 @@
 """Test that Qibo matplotlib drawer"""
 
-import pytest
 import matplotlib.pyplot
 import numpy as np
-from qibo import gates, callbacks, Circuit
+import pytest
+
+from qibo import Circuit, callbacks, gates
 from qibo.models import QFT
 from qibo.ui import plot_circuit
 from qibo.ui.drawer_utils import FusedEndGateBarrier, FusedStartGateBarrier
 from qibo.ui.mpldrawer import _plot_params, _process_gates
 
+
 # defining a dummy circuit
 def circuit(nqubits=2):
     c = Circuit(nqubits)