Implicit namespace package support for modpath_from_file for Python 3.3+.

1 files changed, 4 insertions, 2 deletions

diff --git a/astroid/modutils.py b/astroid/modutils.py
index fdf26533..31d2fdd3 100644
--- a/astroid/modutils.py
+++ b/astroid/modutils.py
@@ -302,8 +302,10 @@ def _check_init(path, mod_path):
     for part in mod_path:
         modpath.append(part)
         path = os.path.join(path, part)
-        if not _is_namespace('.'.join(modpath)) and not _has_init(path):
-            return False
+        if not _has_init(path):
+            old_namespace = _is_namespace('.'.join(modpath))
+            if not (old_namespace or sys.version_info[:2] > (3, 3)):
+                return False
     return True