diff --git a/weboob/core/modules.py b/weboob/core/modules.py
index ce1cf288..553565c7 100644
--- a/weboob/core/modules.py
+++ b/weboob/core/modules.py
@@ -117,11 +117,12 @@ class ModulesLoader(object):
         except ImportError:
             return
         for path in weboob.backends.__path__:
-            regexp = re.compile('^%s/([\w\d_]+)$' % path)
+            self.logger.debug( 'Backend path: %s' % path )
             for root, dirs, files in os.walk(path):
-                m = regexp.match(root)
-                if m and '__init__.py' in files:
-                    yield m.group(1)
+                self.logger.debug( 'Walking on %s' % root )
+                if os.path.dirname( root ) == path and '__init__.py' in files:
+                    s = os.path.basename( root )
+                    yield s
 
     def load_all(self):
         for existing_module_name in self.iter_existing_module_names():
diff --git a/weboob/tools/application/formatters/iformatter.py b/weboob/tools/application/formatters/iformatter.py
index 9cb7fca6..75c25778 100644
--- a/weboob/tools/application/formatters/iformatter.py
+++ b/weboob/tools/application/formatters/iformatter.py
@@ -20,6 +20,8 @@ from __future__ import with_statement
 
 import os
 import sys
+import subprocess
+
 try:
     import tty, termios
 except ImportError:
@@ -83,7 +85,7 @@ class IFormatter(object):
         # XXX if stdin is not a tty, it seems that the command fails.
 
         if os.isatty(sys.stdout.fileno()) and os.isatty(sys.stdin.fileno()):
-            self.termrows = int(os.popen('stty size', 'r').read().split()[0])
+            self.termrows = int( subprocess.Popen('stty size', stdout=subprocess.PIPE).communicate()[0].split()[0])
 
     def after_format(self, formatted):
         if self.outfile != sys.stdout: