- fix issue181: --pdb now also works on collect errors. This was

implemented by a slight internal refactoring and the introduction
  of a new hook ``pytest_exception_interact`` hook.

- fix issue341: introduce new experimental hook for IDEs/terminals to
  intercept debugging: ``pytest_exception_interact(node, call, report)``.

testing/python/integration.py

@@ -1,4 +1,5 @@
 import pytest, py, sys
+from _pytest import runner
 
 class TestOEJSKITSpecials:
     def test_funcarg_non_pycollectobj(self, testdir): # rough jstests usage
@@ -18,7 +19,7 @@ class TestOEJSKITSpecials:
                 pass
         """)
         # this hook finds funcarg factories
-        rep = modcol.ihook.pytest_make_collect_report(collector=modcol)
+        rep = runner.collect_one_node(collector=modcol)
         clscol = rep.result[0]
         clscol.obj = lambda arg1: None
         clscol.funcargs = {}
@@ -46,7 +47,7 @@ class TestOEJSKITSpecials:
                 pass
         """)
         # this hook finds funcarg factories
-        rep = modcol.ihook.pytest_make_collect_report(collector=modcol)
+        rep = runner.collect_one_node(modcol)
         clscol = rep.result[0]
         clscol.obj = lambda: None
         clscol.funcargs = {}