diff --git a/lib/builtins/__init__.py b/lib/builtins/__init__.py
new file mode 100644
index 00000000..4f936f28
--- /dev/null
+++ b/lib/builtins/__init__.py
@@ -0,0 +1,12 @@
+from __future__ import absolute_import
+import sys
+__future_module__ = True
+
+if sys.version_info[0] < 3:
+    from __builtin__ import *
+    # Overwrite any old definitions with the equivalent future.builtins ones:
+    from future.builtins import *
+else:
+    raise ImportError('This package should not be accessible on Python 3. '
+                      'Either you are trying to run from the python-future src folder '
+                      'or your installation of python-future is corrupted.')
diff --git a/lib/reprlib/__init__.py b/lib/reprlib/__init__.py
new file mode 100644
index 00000000..6ccf9c00
--- /dev/null
+++ b/lib/reprlib/__init__.py
@@ -0,0 +1,9 @@
+from __future__ import absolute_import
+import sys
+
+if sys.version_info[0] < 3:
+    from repr import *
+else:
+    raise ImportError('This package should not be accessible on Python 3. '
+                      'Either you are trying to run from the python-future src folder '
+                      'or your installation of python-future is corrupted.')