title: Running stanford ner tagger in pycharm is not working
body: <p>I am new to pycharm professional ide, python and nltk.
  i want to use stanfordNertagger for my project work. When I use the following code in python file in pycharm professional</p>
  
  <pre><code>from nltk.tag import StanfordNERTagger
  from nltk.tokenize import word_tokenize
  stanford_classifier = '/home/PycharmProjects/Stanford-NER-Python/stanford/stanford-ner-2015-12-09/classifiers\english.all.3class.distsim.crf.ser.gz'
  stanford_ner_path = '/home/PycharmProjects/Stanford-NER-Python/stanford/stanford-ner-2015-12-09/stanford-ner.jar'
  
  # Creating Tagger Object
  st = StanfordNERTagger(stanford_classifier, stanford_ner_path, encoding='utf-8')
  
  text = 'While in France, Christine Lagarde discussed short-term stimulus efforts in a recent interview with the Wall Street Journal.'
  
  tokenized_text = word_tokenize(text)
  classified_text = st.tag(tokenized_text)
  
  print classified_text
  </code></pre>
  
  <p>The error shown is </p>
  
  <pre><code>Traceback (most recent call last):
    File "/home/premchikkus/PycharmProjects/Stanford-NER-Python/main.py", line 9, in &lt;module&gt;
      st = StanfordNERTagger(stanford_classifier, stanford_ner_path, encoding='utf-8')
    File "/home/premchikkus/PycharmProjects/Stanford-NER-Python/venv/local/lib/python2.7/site-packages/nltk/tag/stanford.py", line 168, in __init__
      super(StanfordNERTagger, self).__init__(*args, **kwargs)
    File "/home/premchikkus/PycharmProjects/Stanford-NER-Python/venv/local/lib/python2.7/site-packages/nltk/tag/stanford.py", line 53, in __init__
      verbose=verbose)
    File "/home/premchikkus/PycharmProjects/Stanford-NER-Python/venv/local/lib/python2.7/site-packages/nltk/internals.py", line 719, in find_jar
      searchpath, url, verbose, is_regex))
    File "/home/premchikkus/PycharmProjects/Stanford-NER-Python/venv/local/lib/python2.7/site-packages/nltk/internals.py", line 635, in find_jar_iter
      (name_pattern, path_to_jar))
  LookupError: Could not find stanford-ner.jar jar file at /home/PycharmProjects/Stanford-NER-Python/stanford/stanford-ner-2015-12-09/stanford-ner.jar
  </code></pre>
  
  <p>I already set Environment variables in pycharm ide to 
  CLASSPATH = /home/PycharmProjects/Stanford-NER-Python/stanford/stanford-ner-2015-12-09/classifiers\english.all.3class.distsim.crf.ser.gz;/home/PycharmProjects/Stanford-NER-Python/stanford/stanford-ner-2015-12-09/stanford-ner.jar</p>
  
  <p>I am using nltk version 3.2.1<br>
  python 2.7<br>
  ubuntu 16.04<br></p>
  
  <p>Thanks in advance.</p>