Revert inheriting from bdb.BdbQuit

Author: blueyed

src/_pytest/debugging.py

@@ -168,24 +168,8 @@ def pytest_internalerror(self, excrepr, excinfo):
 class PdbTrace(object):
     @hookimpl(hookwrapper=True)
     def pytest_pyfunc_call(self, pyfuncitem):
-        # Monkeypatch bdb.BdbQuit to make bdb.runcall not swallow it.
-        class IgnoreBdbQuit(Exception):
-            """Monkeypatch bdb.BdbQuit to make"""
-
-            pass
-
-        import bdb
-
-        orig_BdbQuit = bdb.BdbQuit
-        bdb.BdbQuit = IgnoreBdbQuit
-
-        try:
-            _test_pytest_function(pyfuncitem)
-
-            yield
-
-        finally:
-            bdb.BdbQuit = orig_BdbQuit
+        _test_pytest_function(pyfuncitem)
+        yield
 
 
 def _test_pytest_function(pyfuncitem):

src/_pytest/outcomes.py

@@ -6,7 +6,6 @@
 from __future__ import division
 from __future__ import print_function
 
-import bdb
 import sys
 
 
@@ -50,7 +49,7 @@ class Failed(OutcomeException):
     __module__ = "builtins"
 
 
-class Exit(bdb.BdbQuit):
+class Exit(Exception):
     """ raised for immediate program exits (no tracebacks/summaries)"""
 
     def __init__(self, msg="unknown reason", returncode=None):