Add constraint for pycparser.

(cherry picked from commit 6a1aa51a74)
7 years ago · e8617eae6c
parent 3fd9952476
commit e8617eae6c
1 changed files with 1 additions and 0 deletions
--- a/test/runner/requirements/constraints.txt
+++ b/test/runner/requirements/constraints.txt
@ -22,3 +22,4 @@ voluptuous >= 0.11.0 # Schema recursion via Self
 virtualenv < 16.0.0 ; python_version < '2.7' # virtualenv 16.0.0 and later require python 2.7 or later
 pyopenssl < 18.0.0 ; python_version < '2.7' # pyOpenSSL 18.0.0 and later require python 2.7 or later
 pyfmg == 0.6.1 # newer versions do not pass current unit tests
+pycparser < 2.19 ; python_version < '2.7' # pycparser 2.19 and later require python 2.7 or later