MAINT: stats: No need to suppress frechet deprecation warnings.  (#13715)
MAINT: stats: No need to suppress frechet deprecation warnings.  (#13715)

* MAINT: stats: No need to suppress frechet deprecation warnings.

The Frechet distributions have been removed, so there is no
longer any need to suppress the associated deprecation warnings
in test_fit.py.

* STY: stats: A bit of PEP-8 clean up in test_fit.py.
andyfaff/scipy,matthew-brett/scipy,zerothi/scipy,andyfaff/scipy,grlee77/scipy,vigna/scipy,mdhaber/scipy,vigna/scipy,endolith/scipy,grlee77/scipy,WarrenWeckesser/scipy,e-q/scipy,anntzer/scipy,ilayn/scipy,Eric89GXL/scipy,Stefan-Endres/scipy,mdhaber/scipy,perimosocordiae/scipy,Stefan-Endres/scipy,anntzer/scipy,tylerjereddy/scipy,vigna/scipy,anntzer/scipy,rgommers/scipy,WarrenWeckesser/scipy,zerothi/scipy,WarrenWeckesser/scipy,matthew-brett/scipy,tylerjereddy/scipy,perimosocordiae/scipy,Eric89GXL/scipy,ilayn/scipy,tylerjereddy/scipy,rgommers/scipy,Stefan-Endres/scipy,endolith/scipy,vigna/scipy,Stefan-Endres/scipy,WarrenWeckesser/scipy,scipy/scipy,endolith/scipy,andyfaff/scipy,mdhaber/scipy,ilayn/scipy,zerothi/scipy,andyfaff/scipy,scipy/scipy,ilayn/scipy,scipy/scipy,perimosocordiae/scipy,mdhaber/scipy,rgommers/scipy,perimosocordiae/scipy,endolith/scipy,e-q/scipy,ilayn/scipy,mdhaber/scipy,zerothi/scipy,grlee77/scipy,matthew-brett/scipy,zerothi/scipy,anntzer/scipy,matthew-brett/scipy,Eric89GXL/scipy,e-q/scipy,perimosocordiae/scipy,ilayn/scipy,Eric89GXL/scipy,endolith/scipy,WarrenWeckesser/scipy,tylerjereddy/scipy,anntzer/scipy,andyfaff/scipy,mdhaber/scipy,matthew-brett/scipy,WarrenWeckesser/scipy,grlee77/scipy,e-q/scipy,Stefan-Endres/scipy,scipy/scipy,tylerjereddy/scipy,rgommers/scipy,e-q/scipy,scipy/scipy,grlee77/scipy,vigna/scipy,anntzer/scipy,endolith/scipy,andyfaff/scipy,Stefan-Endres/scipy,zerothi/scipy,perimosocordiae/scipy,scipy/scipy,Eric89GXL/scipy,Eric89GXL/scipy,rgommers/scipy