Merge with the linter branch (especially the changes of pep484.

jedi/debug.py

@@ -35,7 +35,12 @@ try:
                 # after every output the stream is reset automatically we don't
                 # need this.
                 initialise.atexit_done = True
-                init()
+                try:
+                    init()
+                except Exception:
+                    # Colorama fails with initializing under vim and is buggy in
+                    # version 0.3.6.
+                    pass
             _inited = True
 
 except ImportError: