apply isort

bnavigator · bnavigator · commit 468ffbff098f · 2021-03-18T23:44:00.000+01:00
diff --git a/control/tests/timeresp_test.py b/control/tests/timeresp_test.py
@@ -15,15 +15,13 @@
 import pytest
 import scipy as sp
 
-
 import control as ct
-from control import (StateSpace, TransferFunction, c2d, isctime, isdtime,
-                     ss2tf, tf2ss)
+from control import StateSpace, TransferFunction, c2d, isctime, ss2tf, tf2ss
+from control.exception import slycot_check
+from control.tests.conftest import slycotonly
 from control.timeresp import (_default_time_vector, _ideal_tfinal_and_dt,
                               forced_response, impulse_response,
                               initial_response, step_info, step_response)
-from control.tests.conftest import slycotonly
-from control.exception import slycot_check
 
 
 class TSys:
diff --git a/control/timeresp.py b/control/timeresp.py
@@ -71,18 +71,17 @@
 $Id$
 """
 
-# Libraries that we make use of
-import scipy as sp              # SciPy library (used all over)
-import numpy as np              # NumPy library
-from scipy.linalg import eig, eigvals, matrix_balance, norm
-from numpy import (einsum, maximum, minimum,
-                   atleast_1d)
 import warnings
-from .lti import LTI     # base class of StateSpace, TransferFunction
-from .xferfcn import TransferFunction
-from .statesp import _convert_to_statespace, _mimo2simo, _mimo2siso, ssdata
-from .lti import isdtime, isctime
+
+import numpy as np
+import scipy as sp
+from numpy import atleast_1d, einsum, maximum, minimum
+from scipy.linalg import eig, eigvals, matrix_balance, norm
+
 from . import config
+from .lti import (LTI, isctime, isdtime)
+from .statesp import _convert_to_statespace, _mimo2simo, _mimo2siso, ssdata
+from .xferfcn import TransferFunction
 
 __all__ = ['forced_response', 'step_response', 'step_info', 'initial_response',
            'impulse_response']
