fix requirements version in dev-requirements

whtsky · whtsky · commit dae433dedc43 · 2017-01-10T17:28:26.000+08:00
diff --git a/dev-requirements.txt b/dev-requirements.txt
@@ -1,5 +1,5 @@
-pytest
-pytest-benchmark
-coverage
-cython
-tox
+pytest==3.0.5
+pytest-benchmark==3.0.0
+coverage==4.3.1
+cython==0.24.1
+tox==2.5.0
