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-rw-r--r--pym/_emerge/SubProcess.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/pym/_emerge/SubProcess.py b/pym/_emerge/SubProcess.py
index 17a3e8f20..926efa72b 100644
--- a/pym/_emerge/SubProcess.py
+++ b/pym/_emerge/SubProcess.py
@@ -81,6 +81,12 @@ class SubProcess(AbstractPollTask):
if self.returncode is not None:
return self.returncode
+ if not isinstance(self.pid, int):
+ # Get debug info for bug #403697.
+ raise AssertionError(
+ "%s: pid is non-integer: %s" %
+ (self.__class__.__name__, repr(self.pid)))
+
try:
# With waitpid and WNOHANG, only check the
# first element of the tuple since the second