gspread_python_25

diff --git a/gspread/client.py b/gspread/client.py
index c7ac0ff..1746684 100644
--- a/gspread/client.py
+++ b/gspread/client.py
@@ -85,7 +85,7 @@ class Client(object):
             auth_header = "GoogleLogin auth=%s" % token
             self.session.add_header('Authorization', auth_header)
 
-        except HTTPError as ex:
+        except HTTPError, ex:
             if ex.code == 403:
                 content = ex.read().decode()
                 if content.strip() == 'Error=BadAuthentication':
@@ -230,7 +230,7 @@ class Client(object):
 
         try:
             r = self.session.put(url, data, headers=headers)
-        except HTTPError as ex:
+        except HTTPError, ex:
             if ex.code == 403:
                 message = ex.read().decode()
                 raise UpdateCellError(message)
@@ -245,7 +245,7 @@ class Client(object):
 
         try:
             r = self.session.post(url, data, headers=headers)
-        except HTTPError as ex:
+        except HTTPError, ex:
             message = ex.read().decode()
             raise RequestError(message)
 
diff --git a/gspread/httpsession.py b/gspread/httpsession.py
index 8793099..e403d79 100644
--- a/gspread/httpsession.py
+++ b/gspread/httpsession.py
@@ -55,7 +55,7 @@ class HTTPSession(object):
 
         try:
             return request.urlopen(req)
-        except HTTPError as e:
+        except HTTPError, e:
             raise e
 
     def get(self, url, **kwargs):
diff --git a/gspread/models.py b/gspread/models.py
index bf6396e..b1a8a35 100644
--- a/gspread/models.py
+++ b/gspread/models.py
@@ -352,7 +352,8 @@ class Worksheet(object):
         <Cell R1C1 "I'm cell A1">
 
         """
-        return self.update_cell(*(self.get_int_addr(label)), val=val)
+        [one,two] = self.get_int_addr(label)
+        return self.update_cell(one, two, val=val)
 
     def update_cell(self, row, col, val):
         """Sets the new value to a cell.
diff --git a/gspread/urls.py b/gspread/urls.py
index 967f869..737f42c 100644
--- a/gspread/urls.py
+++ b/gspread/urls.py
@@ -42,6 +42,25 @@ _fields_cache = {}
 
 
 _field_re = re.compile(r'{(\w+)}')
+
+def format(txt, dic): 
+  '''spreadsheets/{visibility}/{projection}
+       spreadsheets/, [visibility, /], [projection]
+  tx = 'spreadsheets/{visibility}/{projection}'
+  params = {'projection': 'full', 'visibility': 'private'}     
+  '''
+ 
+  tx = [x.split('}') for x in txt.split('{')]
+  
+  if len(tx) > 1:
+    tx_final = ["".join(tx[0])]
+    for i in range(1,len(tx)):
+      [key, endtxt] = tx[i]
+      if key in dic.keys():
+        key = dic[key]
+      tx_final.append(key+endtxt)
+  return "".join(tx_final)
+
 def _extract_fields(patternstr):
     return _field_re.findall(patternstr)
 
@@ -60,7 +79,7 @@ def construct_url(feedtype=None,
         if fields is None:
             fields = _extract_fields(urlpattern)
             _fields_cache[feedtype] = fields
-    except KeyError as e:
+    except KeyError, e:
         raise UnsupportedFeedTypeError(e)
 
     obj_fields = obj.get_id_fields() if obj is not None else {}
@@ -77,6 +96,6 @@ def construct_url(feedtype=None,
 
     try:
         return '%s%s' % (SPREADSHEETS_FEED_URL,
-                         urlpattern.format(**params))
-    except KeyError as e:
+                         format(urlpattern, params))
+    except KeyError, e:
         raise UrlParameterMissing(e)
diff --git a/gspread/utils.py b/gspread/utils.py
index b2aa90b..56a5343 100644
--- a/gspread/utils.py
+++ b/gspread/utils.py
@@ -10,6 +10,9 @@ This module contains utility functions.
 
 from xml.etree import ElementTree
 
+try: next
+except NameError:
+    def next (obj): return obj.next()
 
 def finditem(func, seq):
     """Finds and returns first item in iterable for which func(item) is True.