fix requirements.txt typo (=/==)
fix requirements.txt typo (=/==)

willu47/smif,tomalrussell/smif,nismod/smif,nismod/smif,willu47/smif,tomalrussell/smif,willu47/smif,tomalrussell/smif,nismod/smif,tomalrussell/smif,willu47/smif,nismod/smif