Currently the latest stable release is not compatible with how Flask handles the exception, see this commit: 006864b.
So we can’t use ManageAsset() with Flask-Script for example.
The fix is already present in master, when will you push the next major version?
+1 on pulling this, the latest version on PyPI (0.7) is broken.
Maybe it's an idea to just push out the fix for the flask.ext compatibility as 0.7.1. These notes by Flask's author regarding backwards compatiblity might be useful.
+1 I'm also waiting for a new release because of this issue! :-)
+1 I'm waiting too.
Until a new release is cut one can depend on Flask-Script==0.3.3 which is the last release with namespace_packages=['flaskext'] in setup.py.
Last version (0.8) works for me now.