Spectral timing fixes

[matteobachetti]

[codecov[bot]]

Codecov Report

Merging #672 (93d785a) into main (9024e77) will increase coverage by 0.02%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #672      +/-   ##
==========================================
+ Coverage   97.14%   97.17%   +0.02%     
==========================================
  Files          42       42              
  Lines        7644     7716      +72     
==========================================
+ Hits         7426     7498      +72     
  Misses        218      218              

Impacted Files	Coverage Δ
stingray/crossspectrum.py	98.34% <100.00%> (ø)
stingray/fourier.py	99.72% <100.00%> (+<0.01%)	:arrow_up:
stingray/lightcurve.py	97.95% <100.00%> (+0.17%)	:arrow_up:
stingray/varenergyspectrum.py	99.62% <100.00%> (+<0.01%)	:arrow_up:
stingray/gti.py	99.27% <0.00%> (+0.03%)	:arrow_up:

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[abigailStev]

Looks like the docs build did not successfully past the tests.

[matteobachetti]

Do we need to change anything in the NB tutorials?

yes, I prepared a new version of the Spectral Timing tutorial, that I need a couple more days to upload

[matteobachetti]

@abigailStev docs fixed