diff --git a/06.py b/06.py
index 752f9cb..082136d 100644
--- a/06.py
+++ b/06.py
@@ -2,15 +2,13 @@
 # _*_ coding:utf-8 _*
 
 # http://www.pythonchallenge.com/pc/def/channel.html
-
 import signal
-from zipfile import ZipFile
 
+from zipfile import ZipFile
 from handlers.python import exit_signal_handler
 
-
 def get_next_file(i, zf, file_name, result):
-    isLast = True
+    is_last = True
 
     try:
         file_words = zf.read(file_name).split()
@@ -21,11 +19,11 @@ def get_next_file(i, zf, file_name, result):
 
         for word in file_words:
             if word.isdigit():
-                isLast = False
+                is_last = False
                 next_file = '{0}.txt'.format(word)
                 get_next_file(i+1, zf, next_file, result)
 
-        if isLast:
+        if is_last:
             print result
 
     except Exception as e:
diff --git a/handlers/python.py b/handlers/python.py
index c4c6e75..2fb702b 100644
--- a/handlers/python.py
+++ b/handlers/python.py
@@ -1,23 +1,6 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 # _*_ coding:utf-8 _*
 
-"""
-@author:  Rubén Hortas Astariz <http://rubenhortas.blogspot.com>
-@contact: rubenhortas at gmail.com
-@github:  http://github.com/rubenhortas
-@license: CC BY-NC-SA 3.0 <http://creativecommons.org/licenses/by-nc-sa/3.0/>
-@file:    python  
-"""
-
-
 # noinspection PyUnusedLocal
 def exit_signal_handler(signal, frame):
-    """"
-    exit_signal_handler(signal, frame)
-        Handles an exit signal.
-    Arguments:
-        signal: (int) number of signal.
-        frame: (string) name of the signal handler.
-    """
-
     exit(0)
diff --git a/handlers/url.py b/handlers/url.py
index 439e1bb..87d0363 100644
--- a/handlers/url.py
+++ b/handlers/url.py
@@ -1,15 +1,6 @@
 #!/usr/bin/env python
 # _*_ coding:utf-8 _*
 
-"""
-@author:  Rubén Hortas Astariz <http://rubenhortas.blogspot.com>
-@contact: rubenhortas at gmail.com
-@github:  http://github.com/rubenhortas
-@license: CC BY-NC-SA 3.0 <http://creativecommons.org/licenses/by-nc-sa/3.0/>
-@file:    url  
-"""
-
-
 def print_html(html):
     print 50 * '-'
     print html