From c38a9a8651e56592aee168563ede586b4897c091 2020-06-30 20:52:44
From: Matthias Bussonnier <bussonniermatthias@gmail.com>
Date: 2020-06-30 20:52:44
Subject: [PATCH] Merge pull request #12413 from Carreau/print_exc

catch unrecoverable error
---

diff --git a/IPython/terminal/ptutils.py b/IPython/terminal/ptutils.py
index ed7ad45..3cf3c11 100644
--- a/IPython/terminal/ptutils.py
+++ b/IPython/terminal/ptutils.py
@@ -112,8 +112,11 @@ class IPythonPTCompleter(Completer):
             try:
                 yield from self._get_completions(body, offset, cursor_position, self.ipy_completer)
             except Exception as e:
-                from traceback import print_tb
-                print_tb(e)
+                try:
+                    exc_type, exc_value, exc_tb = sys.exc_info()
+                    traceback.print_exception(exc_type, exc_value, exc_tb)
+                except AttributeError:
+                    print('Unrecoverable Error in completions')
 
     @staticmethod
     def _get_completions(body, offset, cursor_position, ipyc):