fix #483 temporarily

thomasballinger · sebastinas · commit 731cda796286 · 2015-02-23T18:05:04.000+01:00
(cherry picked from commit 291a5d3)
diff --git a/bpython/autocomplete.py b/bpython/autocomplete.py
@@ -365,6 +365,11 @@ def matches(self, cursor_offset, line, **kwargs):
             except jedi.NotFoundError:
                 self._orig_start = None
                 return None
+            except IndexError:
+                # for https://github.com/bpython/bpython/issues/483
+                self._orig_start = None
+                return None
+
             if completions:
                 diff = len(completions[0].name) - len(completions[0].complete)
                 self._orig_start = cursor_offset - diff
