prevent people from shooting themselves in the foot

anki/__init__.py

@@ -45,5 +45,9 @@ elif sys.version_info[1] < 5:
 if sys.getfilesystemencoding().lower() in ("ascii", "ansi_x3.4-1968"):
     raise Exception("Anki requires a UTF-8 locale.")
 
+import os
+if not os.path.exists(os.path.expanduser("~/.no-warranty")):
+    raise Exception("Don't use this without reading the forum thread")
+
 version = "1.99"
 from anki.storage import Deck