esthetic fixes on drag.

Signed-off-by: Simon Poirier <simpoir@gmail.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/tutorius/creator.py b/tutorius/creator.py
index 2de21ac..9b1b9bf 100644
--- a/tutorius/creator.py
+++ b/tutorius/creator.py
@@ -224,6 +224,10 @@ class Creator(Object):
 
         @param state_name: the name of the state to use as insertion point
         """
+        # Check if already in state to avoid reinstalling actions needlessly
+        if self._state == state_name:
+            return
+
         # first is not modifiable, as the auto transition would make changes
         # pointless. The end state is also pointless to modify, as the tutorial
         # gets detached.