[Open Babel] Encoding error: python-openbabel/pybel

[Keiron O'Shea [keo7]]

Hey there,

I'm trying to use pybel, but I seem to be experiencing some sort of encoding error.

Example Code:

```
import pybel

print pybel.descs

mol = pybel.readstring("inchi", "InChI=1S/C7H4Cl4/c1-3-6(10)4(8)2-5(9)7(3)11/h2H,1H3")
print mol.calcdesc()
```

Returns:


```
/usr/bin/python2.7 "/home/keo7/.code_factory/playground/test.py"
['0\x0e0\x01', '\xd0\x8d6\x01', 'ecules', 'cansmi', 'cansmiNS', '`\xd8\xff\x15j\x7f', 'formula', 'HBA1', 'HBA2', 'HBD', 'InChI', 'InChIKey', 'tbonds', 'logP', 'MP', 'MR', 'MW', 'nF', 's', 'SmartsDescriptor', 'smarts', 'P\x01', 'title', 'TPSA']
Traceback (most recent call last):
File "/home/keo7/Desktop/DIMEdb playground/dimedb/rdkit_stuff.py", line 6, in <module>
print mol.calcdesc()
File "/usr/lib/python2.7/dist-packages/pybel.py", line 360, in calcdesc
raise ValueError("%s is not a recognised Open Babel descriptor type" % descname)
ValueError: 00
is not a recognised Open Babel descriptor type
```

My system is running a 64bit installation of Ubuntu 16.04.

Any support would be much appreciated!

Keiron.


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