use old cryptography version

Looks like that the latest version (1.5.2) doesn't work: https://s3.amazonaws.com/archive.travis-ci.org/jobs/164527154/log.txt Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
HenriqueJJP · Oct 3, 2016 · a3ab6c8 · a3ab6c8
1 parent 35973fc
commit a3ab6c8
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/tools/test-requires b/tools/test-requires
@@ -6,5 +6,6 @@ pylint
 formencode
 lxml; platform_python_implementation != 'PyPy'  # OF-Config
 lxml==3.4.0; platform_python_implementation == 'PyPy'
+cryptography==1.5
 paramiko  # NETCONF, BGP speaker
 tinyrpc   # RPC