From cc4944bc3ce1a170c59662895d00ebe2c667ad26 Mon Sep 17 00:00:00 2001
From: Sergio Grau Puerto <sergio.graupuerto@it.ox.ac.uk>
Date: Tue, 11 Sep 2012 16:25:27 +0100
Subject: [PATCH] Checking input is string or list of strings

---
 keywords/keywords.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/keywords/keywords.py b/keywords/keywords.py
index 6a019b9..5245c1c 100644
--- a/keywords/keywords.py
+++ b/keywords/keywords.py
@@ -17,7 +17,11 @@ def keywords_and_ngrams(input, nKeywords=100, thresholdLL=19, nBigrams=25, thres
     fdistText = defaultdict(int)
     sumText = 0
     listWords = []
-   
+    listSentences = []
+    if isinstance(input,str):
+        listSentences = [input]
+    else:
+        listSentences = input
     for line in input:
         for w in line.split():
             w = w.lower()