BUG: Skip seek when loading Excel files from url (#20437)
BUG: Skip seek when loading Excel files from url (#20437)

Closes #20434.

Back in #19779 a call of a seek() method was added. This call fails
on HTTPResponse instances with an UnsupportedOperation exception,
so for this case a try..except wrapper was added here.
cbertinato/pandas,MJuddBooth/pandas,cython-testbed/pandas,datapythonista/pandas,cython-testbed/pandas,amolkahat/pandas,dsm054/pandas,jorisvandenbossche/pandas,cbertinato/pandas,MJuddBooth/pandas,jreback/pandas,GuessWhoSamFoo/pandas,cbertinato/pandas,datapythonista/pandas,GuessWhoSamFoo/pandas,kdebrab/pandas,kdebrab/pandas,jorisvandenbossche/pandas,kdebrab/pandas,dsm054/pandas,amolkahat/pandas,rs2/pandas,pratapvardhan/pandas,gfyoung/pandas,TomAugspurger/pandas,dsm054/pandas,jreback/pandas,pratapvardhan/pandas,harisbal/pandas,pandas-dev/pandas,louispotok/pandas,jreback/pandas,MJuddBooth/pandas,jorisvandenbossche/pandas,amolkahat/pandas,TomAugspurger/pandas,jreback/pandas,MJuddBooth/pandas,toobaz/pandas,datapythonista/pandas,GuessWhoSamFoo/pandas,gfyoung/pandas,pandas-dev/pandas,harisbal/pandas,pratapvardhan/pandas,jreback/pandas,TomAugspurger/pandas,cython-testbed/pandas,cbertinato/pandas,amolkahat/pandas,pandas-dev/pandas,TomAugspurger/pandas,dsm054/pandas,GuessWhoSamFoo/pandas,pratapvardhan/pandas,toobaz/pandas,GuessWhoSamFoo/pandas,toobaz/pandas,jorisvandenbossche/pandas,louispotok/pandas,toobaz/pandas,cython-testbed/pandas,gfyoung/pandas,louispotok/pandas,dsm054/pandas,toobaz/pandas,amolkahat/pandas,louispotok/pandas,gfyoung/pandas,MJuddBooth/pandas,pandas-dev/pandas,kdebrab/pandas,cbertinato/pandas,gfyoung/pandas,harisbal/pandas,rs2/pandas,kdebrab/pandas,cython-testbed/pandas,harisbal/pandas,pratapvardhan/pandas,datapythonista/pandas,harisbal/pandas,rs2/pandas,rs2/pandas,louispotok/pandas