Bump pyro from 3.9.1 to 3.15

dependabot[bot] · web-flow · commit 9a3e9f124f05 · 2020-02-20T14:32:27.000Z
Bumps [pyro]() from 3.9.1 to 3.15.

Signed-off-by: dependabot[bot] &lt;support@github.com&gt;
diff --git a/requirements.txt b/requirements.txt
@@ -1,4 +1,4 @@
 Flask
 gunicorn[gevent]
-Pyro==3.9.1
+Pyro==3.15
 requests
