diff --git a/core/jsontools.py b/core/jsontools.py
index c7e48cdc..04e0ce93 100644
--- a/core/jsontools.py
+++ b/core/jsontools.py
@@ -11,7 +11,6 @@ try:
     import json
 except:
     logger.info("json incluido en el interprete **NO** disponible")
-
     try:
         import simplejson as json
     except:
@@ -26,8 +25,13 @@ except:
             logger.info("Usando simplejson en el directorio lib")
     else:
         logger.info("Usando simplejson incluido en el interprete")
-else:
-    logger.info("Usando json incluido en el interprete")
+# ~ else:
+# ~ logger.info("Usando json incluido en el interprete")
+
+import sys
+
+PY3 = False
+if sys.version_info[0] >= 3: PY3 = True; unicode = str; unichr = chr; long = int
 
 
 def load(*args, **kwargs):
@@ -46,12 +50,12 @@ def load(*args, **kwargs):
 
 def dump(*args, **kwargs):
     if not kwargs:
-        kwargs = {"indent": 4, "skipkeys": True, "sort_keys": True, "ensure_ascii": False}
+        kwargs = {"indent": 4, "skipkeys": True, "sort_keys": True, "ensure_ascii": True}
 
     try:
         value = json.dumps(*args, **kwargs)
     except:
-        logger.error("**NO** se ha podido cargar el JSON")
+        logger.error("**NO** se ha podido guardar el JSON")
         logger.error(traceback.format_exc())
         value = ""
     return value
@@ -59,11 +63,15 @@ def dump(*args, **kwargs):
 
 def to_utf8(dct):
     if isinstance(dct, dict):
-        return dict((to_utf8(key), to_utf8(value)) for key, value in dct.iteritems())
+        return dict((to_utf8(key), to_utf8(value)) for key, value in dct.items())
     elif isinstance(dct, list):
         return [to_utf8(element) for element in dct]
     elif isinstance(dct, unicode):
-        return dct.encode('utf-8')
+        dct = dct.encode("utf8")
+        if PY3: dct = dct.decode("utf8")
+        return dct
+    elif PY3 and isinstance(dct, bytes):
+        return dct.decode('utf-8')
     else:
         return dct
 
@@ -104,7 +112,7 @@ def get_node_from_file(name_file, node, path=None):
         if node in dict_data:
             dict_node = dict_data[node]
 
-    #logger.debug("dict_node: %s" % dict_node)
+    # logger.debug("dict_node: %s" % dict_node)
 
     return dict_node
 
@@ -189,4 +197,4 @@ def update_node(dict_node, name_file, node, path=None):
     except:
         logger.error("No se ha podido actualizar %s" % fname)
 
-    return result, json_data
+    return result, json_data
\ No newline at end of file
diff --git a/core/support.py b/core/support.py
index bd7f6802..fb901294 100755
--- a/core/support.py
+++ b/core/support.py
@@ -5,9 +5,11 @@ import base64
 import inspect
 import os
 import re
-import urllib
-import urlparse
-import xbmcaddon
+try:
+    import urllib.request as urllib
+    import urllib.parse as urlparse
+except ImportError:
+    import urllib, urlparse
 
 from channelselector import thumb
 from core import httptools, scrapertools, servertools, tmdb, channeltools
@@ -65,9 +67,11 @@ def hdpass_get_servers(item):
 
 
 def url_decode(url_enc):
+    from past.utils import old_div
+
     lenght = len(url_enc)
     if lenght % 2 == 0:
-        len2 = lenght / 2
+        len2 = old_div(lenght, 2)
         first = url_enc[0:len2]
         last = url_enc[len2:lenght]
         url_enc = last + first
@@ -78,7 +82,7 @@ def url_decode(url_enc):
     url_enc[lenght - 1] = ' '
     url_enc = url_enc.strip()
     len1 = len(url_enc)
-    len2 = len1 / 2
+    len2 = old_div(len1, 2)
     first = url_enc[0:len2]
     last = url_enc[len2:len1]
     url_enc = last + first
diff --git a/lib/githash.py b/lib/githash.py
index a60a3924..cae72976 100644
--- a/lib/githash.py
+++ b/lib/githash.py
@@ -9,7 +9,6 @@ has been tested with Python2.7 and Python 3.4.
 
 from __future__ import print_function
 
-import argparse
 import os
 import stat
 import sys
@@ -75,7 +74,7 @@ def blob_hash(stream, size):
     while True:
         # We read just 64K at a time to be kind to
         # runtime storage requirements.
-        data = stream.read(65536)
+        data = stream.read(65536).encode('ascii')
         if data == b'':
             break
         nread += len(data)
diff --git a/platformcode/updater.py b/platformcode/updater.py
index 1c18f89a..54d14d4d 100644
--- a/platformcode/updater.py
+++ b/platformcode/updater.py
@@ -2,7 +2,7 @@
 import io
 import os
 import shutil
-from cStringIO import StringIO
+from lib.six import StringIO
 
 from core import filetools
 from platformcode import logger, platformtools
@@ -426,4 +426,4 @@ def _pbhook(numblocks, blocksize, filesize, url, dp):
         dp.update(percent)
     except:
         percent = 90
-        dp.update(percent)
\ No newline at end of file
+        dp.update(percent)