diff --git a/requirements.txt b/requirements.txt
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+++ b/requirements.txt
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+# Used for when working from a virtualenv.
+# Use this file by running "$ pip install -r requirements.txt"
+arrow
+flask
+python-openid
+python-openid-teams
+python-openid-cla
+pygit2 < 0.20
+pygments
+sqlalchemy