docs: pin down sphinx to avoid crash with Sphinx 3.0.0

[vpp.git] / test / requirements.txt

diff --git a/test/requirements.txt b/test/requirements.txt
index 103bc19..40d5705 100644 (file)
--- a/test/requirements.txt
+++ b/test/requirements.txt
@@ -17,3 +17,5 @@ subprocess32                            # PSF
 syslog_rfc5424_parser>=0.3.1            # ISC
 objgraph                                # MIT
 pympler                                 # Apache-2.0
+# sphinx 3.0.0 crashes with a traceback
+sphinx<3.0.0