diff options
Diffstat (limited to 'coverage/collector.py')
| -rw-r--r-- | coverage/collector.py | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/coverage/collector.py b/coverage/collector.py index 1b807b27..bf465939 100644 --- a/coverage/collector.py +++ b/coverage/collector.py @@ -2,6 +2,8 @@ import os, sys, threading +from coverage.misc import short_stack + try: # Use the C extension code when we can, for speed. from coverage.tracer import CTracer # pylint: disable=F0401,E0611 @@ -124,8 +126,8 @@ class PyTracer(object): """Stop this Tracer.""" if hasattr(sys, "gettrace") and self.warn: if sys.gettrace() != self._trace: - msg = "Trace function changed, measurement is likely wrong: %r" - self.warn(msg % sys.gettrace()) + msg = "Trace function changed, measurement is likely wrong: %r\n%s" + self.warn(msg % (sys.gettrace(), short_stack())) sys.settrace(None) def get_stats(self): |