Chop off '

            sequences = _add_sequence(sequences, protein)

            protein = []

          elif header_read == True: # Line contains protein sequence in FASTA format

            if line[-1:] == '\n': # Check last character in string

              line = line[0:-1] # Remove last character

            protein.append(line)

        sequences = _add_sequence(sequences, protein)

        return sequences

      def _add_sequence(sequences: np.array, protein: list) -> np.array:

        # Handle empty sequence

        if protein == None or len(protein) <= 0:

          logger.warning("Attempting to add empty protein sequence, returning empty array...")

          return np.array([])

        if auto_add_annotations: # Annotate start/stop of protein

        # Annotate start/stop of protein

        if auto_add_annotations:

          protein.insert(0, "[CLS]")

          protein.append("[SEP]")

        new_sequence = ''.join(protein)

        logger.warning(sequences)

        return np.append(sequences, new_sequence)

      with open(input_file, 'r') as f: # Read FASTA file