Rename extras_requires to extras_require

mrueg · Manuel Rüger · commit 8fcc6bb47c6c · 2016-12-09T15:36:39.000+01:00
diff --git a/setup.py b/setup.py
@@ -12,7 +12,7 @@
     keywords = "prometheus monitoring instrumentation client",
     url = "https://github.com/prometheus/client_python",
     packages=['prometheus_client', 'prometheus_client.bridge', 'prometheus_client.twisted'],
-    extras_requires={
+    extras_require={
         'twisted': ['twisted'],
     },
     test_suite="tests",
