add EnvironmentMixin to docs

tony · tony · commit 32259698b6d6 · 2016-12-18T03:07:25.000-06:00
diff --git a/doc/api.rst b/doc/api.rst
@@ -58,6 +58,9 @@ Internals
 .. autoclass:: libtmux.common.TmuxMappingObject
     :members:
 
+.. autoclass:: libtmux.common.EnvironmentMixin
+    :members:
+
 .. autoclass:: libtmux.common.tmux_cmd
 
 .. automethod:: libtmux.common.has_required_tmux_version
