code: def cyvcf_remove_filter(rec, name):
      
      if rec.FILTER:
          filters = rec.FILTER.split(";")
      else:
          filters = []
      new_filters = [x for x in filters if not str(x) == name]
      if len(new_filters) == 0:
          new_filters = ["PASS"]
      rec.FILTER = new_filters
      return rec
docs: Remove filter with the given name from a cyvcf2 record