1 files changed, 5 insertions, 6 deletions

diff --git a/requirements.txt b/requirements.txt
index 05d8a6b..9caed1b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,18 +1,17 @@
+# for development, see setup.py for production dependencies.
 ansicolors==1.1.8
 cachecontrol==0.12.3
+jupyter==1.0.0
 lockfile==0.12.2
 lxml==3.8.0
 matplotlib==2.0.2
 mpmath==0.19
-mypy==0.521; python_version >= '3.2'
+mypy==0.521
 numpy==1.13.1
 pandas==0.20.3
 parsec==3.3
 Pillow==4.2.1
-pytest==3.2.0
+pytest==3.3.1
 requests==2.18.4
 sympy==1.0
-typing==3.6.2; python_version < '3.0'
-
-# for development
-jupyter==1.0.0
+tox==2.9.1