test: inject a mypy error

Author: badmonster0

.github/workflows/_test.yml

@@ -47,11 +47,11 @@ jobs:
           run: |
             source .venv/bin/activate
             maturin develop
-        - name: Type check
+        - name: Type check (mypy)
           run: |
             source .venv/bin/activate
             mypy python
-        - name: Test
+        - name: Run tests
           run: |
             source .venv/bin/activate
             pytest python/cocoindex/tests

python/cocoindex/cli.py

@@ -177,7 +177,8 @@ def ls(app_target: str | None):
             click.echo("No persisted flow setups found in the backend.")
             return
 
-        for name in sorted(persisted_flow_names):
+        persisted_flow_names = set(persisted_flow_names)
+        for name in persisted_flow_names:
             click.echo(name)
 
 @cli.command()