title: Observed error while installing PDFMiner for Python2.7
body: <p>I followed the instruction from here:
  file:///home/bioinfo/Descargas/pdfminer3k-1.3.0/docs/index.html</p>
  
  <p>after download pdfminer3k-1.3.0 I did:</p>
  
  <blockquote>
    <p>python setup.py install</p>
  </blockquote>
  
  <p>But when I do</p>
  
  <blockquote>
    <p>pdf2txt.py samples/simple1.pdf</p>
  </blockquote>
  
  <p>And it doesn't read the pdf, the path is ok. 
  It give me back the error:</p>
  
  <p>></p>
  
  <pre><code>Traceback (most recent call last):
    File "/usr/local/bin/pdf2txt.py", line 5, in &lt;module&gt;
      pkg_resources.run_script('pdfminer3k==1.3.0', 'pdf2txt.py')
    File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 528, in run_script
      self.require(requires)[0].run_script(script_name, ns)
    File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 1394, in run_script
      execfile(script_filename, namespace, namespace)
    File "/usr/local/lib/python2.7/dist-packages/pdfminer3k-1.3.0-py2.7.egg/EGG-INFO/scripts/pdf2txt.py", line 6, in &lt;module&gt;
      from pdfminer.pdfinterp import PDFResourceManager, process_pdf
    File "/usr/local/lib/python2.7/dist-packages/pdfminer3k-1.3.0-py2.7.egg/pdfminer/pdfinterp.py", line 5, in &lt;module&gt;
      from .cmapdb import CMapDB, CMap
    File "/usr/local/lib/python2.7/dist-packages/pdfminer3k-1.3.0-py2.7.egg/pdfminer/cmapdb.py", line 23, in &lt;module&gt;
      from .psparser import PSStackParser
    File "/usr/local/lib/python2.7/dist-packages/pdfminer3k-1.3.0-py2.7.egg/pdfminer/psparser.py", line 4, in &lt;module&gt;
      from .utils import choplist
    File "/usr/local/lib/python2.7/dist-packages/pdfminer3k-1.3.0-py2.7.egg/pdfminer/utils.py", line 212, in &lt;module&gt;
      0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x00fd, 0x00fe, 0x00ff,
    File "/usr/local/lib/python2.7/dist-packages/pdfminer3k-1.3.0-py2.7.egg/pdfminer/utils.py", line 180, in &lt;genexpr&gt;
      PDFDocEncoding = ''.join( chr(x) for x in (
  ValueError: chr() arg not in range(256)
  </code></pre>
  
  <p>Is it any solution?</p>