diff --git a/jedi/mixin/posix.py b/jedi/mixin/posix.py
new file mode 100644
index 00000000..4417f7cb
--- /dev/null
+++ b/jedi/mixin/posix.py
@@ -0,0 +1,5 @@
+def getcwd():
+    return ''
+
+def getcwdu():
+    return ''