Merging upstream version 0.12.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>

eos_downloader/exceptions/__init__.py

@@ -0,0 +1,10 @@
+# coding: utf-8 -*-
+"""Exceptions module for eos_downloader package."""
+
+
+class AuthenticationError(Exception):
+    """Erxception when authentication fails."""
+
+
+class AristaServerError(Exception):
+    """Exception returned when an error occured on server side."""