Remove unused imports

stingray/bispectrum.py

@@ -1,13 +1,10 @@
 import numpy as np
 from scipy.linalg import toeplitz
-import warnings
 import matplotlib.pyplot as plt
 
-from scipy.linalg import hankel
-
 from stingray import lightcurve
 import stingray.utils as utils
-from stingray.utils import fftshift, fft2, ifftshift, fft
+from stingray.utils import fftshift, fft2, ifftshift
 
 __all__ = ["Bispectrum"]
 

stingray/conftest.py

@@ -5,9 +5,6 @@
 
 import os
 
-from astropy.version import version as astropy_version
-
-
 try:
     from pytest_astropy_header.display import PYTEST_HEADER_MODULES, TESTED_VERSIONS
 

stingray/crosscorrelation.py

@@ -1,4 +1,3 @@
-import warnings
 import numpy as np
 from scipy import signal
 import matplotlib.pyplot as plt

stingray/deadtime/fad.py

@@ -1,10 +1,8 @@
 import warnings
 import numpy as np
-import scipy
 import matplotlib.pyplot as plt
 
 from scipy.ndimage import gaussian_filter1d
-from scipy.interpolate import UnivariateSpline
 from astropy.table import Table
 
 from stingray.lightcurve import Lightcurve

stingray/deadtime/tests/test_fad.py

@@ -2,9 +2,6 @@
 import numpy as np
 import pytest
 
-# import warnings
-import warnings
-
 from astropy.table import Table
 from stingray import Lightcurve, EventList
 from stingray.deadtime.fad import calculate_FAD_correction, FAD

stingray/filters.py

@@ -1,7 +1,3 @@
-import numpy as np
-import warnings
-import copy
-
 import numpy as np
 import numpy.random as ra
 

stingray/io.py

@@ -1,8 +1,5 @@
 import math
-import copy
 import os
-import sys
-import traceback
 import warnings
 from collections.abc import Iterable
 

stingray/lightcurve.py

@@ -6,7 +6,6 @@
 """
 
 import os
-import logging
 import warnings
 from collections.abc import Iterable
 

stingray/lombscargle.py

@@ -1,17 +1,13 @@
-import copy
 from collections.abc import Iterable
 import warnings
 from typing import Optional, Union
 
 import numpy as np
-import numpy.typing as npt
 import scipy
 import scipy.stats
-from astropy.timeseries.periodograms import LombScargle
 
 from .crossspectrum import Crossspectrum
 from .events import EventList
-from .exceptions import StingrayError
 from .fourier import (
     impose_symmetry_lsft,
     lsft_fast,

stingray/mission_support/missions.py

@@ -15,7 +15,6 @@
 """
 
 import os
-import warnings
 from .rxte import rxte_calibration_func, rxte_pca_event_file_interpretation
 
 

stingray/mission_support/rxte.py

@@ -1,6 +1,5 @@
 import re
 import numpy as np
-from scipy.interpolate import interp1d
 from astropy.time import Time
 from astropy.table import Table
 

stingray/modeling/posterior.py

@@ -6,7 +6,6 @@
 
 np.seterr("warn")
 
-from scipy.special import gamma as scipy_gamma
 from scipy.special import gammaln as scipy_gammaln
 
 try:

stingray/modeling/tests/test_parameterestimation.py

@@ -7,7 +7,7 @@
 import pytest
 from astropy.modeling import models
 
-from stingray import Powerspectrum, AveragedPowerspectrum
+from stingray import Powerspectrum
 from stingray.modeling import ParameterEstimation, PSDParEst, OptimizationResults, SamplingResults
 from stingray.modeling import PSDPosterior, set_logprior, PSDLogLikelihood, LogLikelihood
 from stingray.modeling.posterior import fitter_to_model_params

stingray/multitaper.py

@@ -6,15 +6,13 @@
 import warnings
 
 import numpy as np
-import scipy.optimize
-import scipy.stats
 from scipy import signal, interpolate
 
 from astropy.timeseries import LombScargle
 
 from .events import EventList
 from .lightcurve import Lightcurve
-from .utils import rebin_data, simon, fft, rfft, rfftfreq
+from .utils import rebin_data, simon, rfft, rfftfreq
 
 try:
     integration_func = np.trapezoid

stingray/pulse/fftfit.py

@@ -1,5 +1,5 @@
 import numpy as np
-from scipy.optimize import minimize, brentq
+from scipy.optimize import brentq
 
 
 def _find_delay_with_ccf(amp, pha):

stingray/pulse/overlapandsave/test_ols.py

@@ -3,7 +3,7 @@
 from scipy.signal import fftconvolve
 from .ols import prepareh, olsStep, ols, nextprod
 
-from stingray.utils import fft, fftfreq, fftn, ifftn, HAS_PYFFTW
+from stingray.utils import HAS_PYFFTW
 
 
 @pytest.mark.skipif("not HAS_PYFFTW")

stingray/pulse/pulsar.py

@@ -6,7 +6,6 @@
 import math
 from collections.abc import Iterable
 import warnings
-from scipy.optimize import minimize, basinhopping
 import scipy.stats
 import numpy as np
 import matplotlib.pyplot as plt

stingray/pulse/tests/test_accelsearch.py

@@ -1,7 +1,6 @@
 import numpy as np
 import pytest
 from stingray.pulse.accelsearch import accelsearch, _create_responses
-from stingray.utils import HAS_NUMBA
 
 pytestmark = pytest.mark.slow
 

stingray/pulse/tests/test_pulse.py

@@ -2,7 +2,7 @@
 from stingray.pulse import fold_events, get_TOA, phase_exposure
 from stingray.pulse import ef_profile_stat, z_n, pulse_phase
 from stingray.pulse import pdm_profile_stat
-from stingray.pulse import z_n, z_n_events, z_n_binned_events, z_n_gauss, htest
+from stingray.pulse import z_n, htest
 from stingray.pulse import z_n_events_all, z_n_binned_events_all, z_n_gauss_all
 from stingray.pulse import get_orbital_correction_from_ephemeris_file, p_to_f
 from stingray.pulse import HAS_PINT

stingray/simulator/base.py

@@ -1,5 +1,4 @@
 import numpy as np
-import numpy.random as ra
 import scipy.interpolate as sci
 from stingray import Lightcurve
 from stingray.gti import gti_border_bins

stingray/simulator/simulator.py

@@ -1,5 +1,4 @@
 import pickle
-from os import error
 import numpy as np
 import numbers
 import warnings

stingray/tests/test_bexvar.py

@@ -1,4 +1,3 @@
-import warnings
 import pytest
 import os
 import numpy as np

stingray/tests/test_bispectrum.py

@@ -1,12 +1,8 @@
 import numpy as np
-
 import pytest
-import warnings
-import os
 
 from stingray import Lightcurve
 from stingray.bispectrum import Bispectrum
-from stingray.exceptions import StingrayError
 
 import matplotlib.pyplot as plt
 

stingray/tests/test_covariancespectrum.py

@@ -1,7 +1,5 @@
 import numpy as np
-
 import pytest
-import warnings
 
 from stingray import AveragedCovariancespectrum, Covariancespectrum, Lightcurve
 from stingray.events import EventList

stingray/tests/test_crosscorrelation.py

@@ -1,7 +1,6 @@
 import numpy as np
 
 import pytest
-import warnings
 import os
 
 from stingray import Lightcurve

stingray/tests/test_io.py

@@ -12,8 +12,6 @@
 from ..io import read_header_key, FITSTimeseriesReader, DEFAULT_FORMAT
 from ..events import EventList
 
-import warnings
-
 curdir = os.path.abspath(os.path.dirname(__file__))
 datadir = os.path.join(curdir, "data")
 

stingray/tests/test_lombscargle.py

@@ -6,7 +6,6 @@
 from astropy.modeling.models import Lorentz1D
 
 from stingray.events import EventList
-from stingray.exceptions import StingrayError
 from stingray.lightcurve import Lightcurve
 from stingray.lombscargle import LombScargleCrossspectrum, LombScarglePowerspectrum
 from stingray.lombscargle import _autofrequency

stingray/tests/test_multitaper.py

@@ -1,10 +1,5 @@
 import numpy as np
-import copy
-import warnings
-
 import pytest
-from numpy.random import poisson, standard_cauchy
-from scipy.signal import TransferFunction
 
 from stingray import Lightcurve
 from stingray.events import EventList

stingray/tests/test_spectroscopy.py

@@ -9,8 +9,6 @@
     Powerspectrum,
     Crossspectrum,
 )
-from stingray.utils import fft
-from stingray.modeling import fit_lorentzians, fit_crossspectrum, fit_powerspectrum
 from stingray.filters import Optimal1D, Window1D
 from astropy.modeling import models
 from astropy.table import Table, Column

stingray/tests/test_varenergyspectrum.py

@@ -1,5 +1,4 @@
 import copy
-from multiprocessing import Event
 import os
 import numpy as np
 from stingray.events import EventList

stingray/utils.py

@@ -2,9 +2,6 @@
 import os
 import re
 import copy
-import random
-import string
-import sys
 import warnings
 import tempfile
 from collections.abc import Iterable