Clear previously created amplicon files to prepare for the appending of data to fresh files

def ampliconclear(self):
        """
        Clear previously created amplicon files to prepare for the appending of data to fresh files
        """
        for sample in self.metadata:
            # Set the name of the amplicon FASTA file
            sample[self.analysistype].ampliconfile = os.path.join(
                sample[self.analysistype].outputdir, '{sn}_amplicons.fa'.format(sn=sample.name))
            try:
                os.remove(sample[self.analysistype].ampliconfile)
            except IOError:
                pass