Unnecessary source code in a tutorial

[igorsdub]

Describe the documentation issue

A little issue with a PDB tutorial on the BioPandas website. Unnecessary code lines is present at the beginning of the tutorial:

import pandas as pd
import numpy as np
import sys
import gzip
from warnings import warn
try:
    from urllib.request import urlopen
    from urllib.error import HTTPError, URLError
except ImportError:
    from urllib2 import urlopen, HTTPError, URLError  # Python 2.7 compatible
from biopandas.pdb.engines import pdb_records
from biopandas.pdb.engines import pdb_df_columns
from biopandas.pdb.engines import amino3to1dict
import warnings
from distutils.version import LooseVersion



class PandasPdb(object):
    """
    Object for working with Protein Databank structure files.

...

    def parse_sse(self):
        """Parse secondary structure elements"""

ppdb = PandasPdb().fetch_pdb('3eiy')
ppdb.df

Suggest a potential improvement or addition

Delete the PandasPdb class source code from this section.

Thank you!

[rasbt]

Ooops, good catch. Must have left it in there by accident. Should be fixed now. Thanks!