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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
commit67103f35b69d8f6d021608ab02fa0daab61b52c2 (patch)
treea02e868e826dcee985e1d80dc17cfffdd75d0f1b /coverage/collector.py
parent05cdf73cd68bdec9fd0b8cf33603a1f5a0e7999b (diff)
downloadpython-coveragepy-git-67103f35b69d8f6d021608ab02fa0daab61b52c2.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 0348bb72..c1560902 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 = []