diff options
Diffstat (limited to 'coverage/control.py')
| -rw-r--r-- | coverage/control.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/coverage/control.py b/coverage/control.py index 5e857aa6..da773d3e 100644 --- a/coverage/control.py +++ b/coverage/control.py @@ -384,5 +384,8 @@ class Analysis: def arcs_unpredicted(self): possible = self.arc_possibilities() executed = self.arcs_executed() - unpredicted = [e for e in executed if e not in possible] + # Exclude arcs here which connect a line to itself. They can occur + # in executed data in some cases. This is where they can cause trouble, + # and here is where it's the least burden to remove them. + unpredicted = [e for e in executed if e not in possible and e[0] != e[1]] return sorted(unpredicted) |