diff --git a/cuchulu/libraries/db/extrafields/imagefield.py b/cuchulu/libraries/db/extrafields/imagefield.py
index e9ff5e6..82d465e 100644
--- a/cuchulu/libraries/db/extrafields/imagefield.py
+++ b/cuchulu/libraries/db/extrafields/imagefield.py
@@ -150,15 +150,15 @@ class ImageField(CharField):
         
         try:
             
-            im=Image.open(files_uploaded[field_file])
-            
+            im=Image.open(files_uploaded[field_file].file)
+        
         except IOError:
             
             self.error=True
             
             self.txt_error='Error, file not have a valid format'
             return ""
-
+        
         real_width=im.size[0]
         real_height=im.size[1]
         
diff --git a/cuchulu/libraries/mtemplates.py b/cuchulu/libraries/mtemplates.py
index 29f825a..85979bc 100644
--- a/cuchulu/libraries/mtemplates.py
+++ b/cuchulu/libraries/mtemplates.py
@@ -31,7 +31,7 @@ except:
     class config:
         theme='default'
         reloader=False
-    
+
 #import gettext
 import sys
 from cuchulu.libraries.i18n import I18n, PGetText
diff --git a/cuchulu/libraries/templates.py b/cuchulu/libraries/templates.py
index 20d8e5b..a5aa584 100644
--- a/cuchulu/libraries/templates.py
+++ b/cuchulu/libraries/templates.py
@@ -1,9 +1,9 @@
 #!/usr/bin/python
 
 from jinja2 import Template, Environment, FileSystemLoader
-from cuchulu.libraries.urls import make_url, make_media_url, make_media_url_module, add_get_parameters
+from cuchulu.libraries.urls import make_url, make_media_url, make_media_url_module, add_get_parameters, url_for
 from cuchulu.libraries.i18n import I18n
-from cuchulu.libraries.sessions import get_session
+from cuchulu.libraries.sessionplugin import get_session
 from settings import config
 
 # Preparing envs for views of modules, and views of 
@@ -15,7 +15,7 @@ env = Environment(loader=FileSystemLoader(['/path/to/templates', '/other/path'])
 template = env.get_template('mytemplate.html')
 """
 
-class ptemplate:
+class JTemplate:
     
     def __init__(self, module):