Update requirements-dev.txt

Kronopt · Kronopt · commit d458a10e1e6f · 2020-01-27T18:47:32.000Z
diff --git a/requirements-dev.txt b/requirements-dev.txt
@@ -1,3 +1,6 @@
-pytest              # tests
-pylint              # style
-coverage            # coverage
+pytest==5.*         # tests
+pylint==2.*         # style
+coverage==5.*       # coverage
+twine==3.*          # pypi tools
+setuptools          # packaging
+wheel               # packaging
