commit 29d6420ecc2187db951f08dd47289277a11f4db5
author Amit Miran <47772523+amitmiran137@users.noreply.github.com> Wed Feb 24 12:08:28 2021 +0200
committer GitHub <noreply@github.com> Wed Feb 24 12:08:28 2021 +0200
tree 4583838882a7d09b3d347855e8a96dd332e3c28f
parent 0a00153375fb69891c2a9f0115a33cdf5551b2d6

fix: exception when saving dash (#13300)

* fix: project None value

* fix: pre-commit

superset/views/core.py

diff --git a/superset/views/core.py b/superset/views/core.py
index 155555e..2c390c4 100755
--- a/superset/views/core.py
+++ b/superset/views/core.py
@@ -1178,7 +1178,10 @@
         # the dashboard was open. it was use to avoid mid-air collision.
         remote_last_modified_time = data.get("last_modified_time")
         current_last_modified_time = dash.changed_on.replace(microsecond=0).timestamp()
-        if remote_last_modified_time < current_last_modified_time:
+        if (
+            remote_last_modified_time
+            and remote_last_modified_time < current_last_modified_time
+        ):
             return json_error_response(
                 __(
                     "This dashboard was changed recently. "