Use newer form of catching exceptions

autopep8 -i --select=W602
Also some other minor deprecated syntax changes, like "while 1".
I did not commit the less obvious changes.

modules/societegenerale/pages/accounts_list.py

@@ -149,7 +149,7 @@ class AccountHistory(BasePage):
             # There are no transactions in this kind of account
             return
 
-        while 1:
+        while True:
             d = XML(self.browser.readurl(url))
             try:
                 el = self.parser.select(d, '//dataBody', 1, 'xpath')

modules/societegenerale/pages/login.py

@@ -64,7 +64,7 @@ class LoginPage(BasePage):
 
         try:
             img.build_tiles()
-        except TileError, err:
+        except TileError as err:
             error("Error: %s" % err)
             if err.tile:
                 err.tile.display()

modules/societegenerale/sgpe/pages.py

@@ -76,7 +76,7 @@ class LoginPage(SGPEPage):
 
         try:
             img.build_tiles()
-        except TileError, err:
+        except TileError as err:
             error("Error: %s" % err)
             if err.tile:
                 err.tile.display()