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authorNed Batchelder <ned@nedbatchelder.com>2015-02-10 21:12:25 -0500
committerNed Batchelder <ned@nedbatchelder.com>2015-02-10 21:12:25 -0500
commit923c252fc95f5efa360caa4eb48607aec8a2c6b5 (patch)
tree4fe9606c44a13fac9af1bb5cf6dbacef0deffcb3 /coverage/collector.py
parent64f0e2b6f9ac48cef3acd626bbd76a240c19a143 (diff)
downloadpython-coveragepy-923c252fc95f5efa360caa4eb48607aec8a2c6b5.tar.gz
Get the tracer right for metacov
Diffstat (limited to 'coverage/collector.py')
-rw-r--r--coverage/collector.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/coverage/collector.py b/coverage/collector.py
index 0348bb7..c156090 100644
--- a/coverage/collector.py
+++ b/coverage/collector.py
@@ -247,7 +247,11 @@ class Collector(object):
def stop(self):
"""Stop collecting trace information."""
assert self._collectors
- assert self._collectors[-1] is self
+ assert self._collectors[-1] is self, (
+ "Expected current collector to be %r, but it's %r" % (
+ self, self._collectors[-1],
+ )
+ )
self.pause()
self.tracers = []