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

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Author: pre-commit-ci[bot]

src/virtualship/instruments/ship_underwater_st.py

@@ -2,8 +2,8 @@
 from typing import ClassVar
 
 import numpy as np
-
 from parcels import ParticleSet, ScipyParticle, Variable
+
 from virtualship.instruments.base import Instrument
 from virtualship.instruments.types import InstrumentType
 from virtualship.utils import add_dummy_UV, register_instrument