remove unused import (#101)

* remove unused import
* fix alert and fail threshold

Author: akoumjian

.github/workflows/lint-test.yml

@@ -71,5 +71,6 @@ jobs:
           output-file-path: bench.json
           github-token: ${{ secrets.GITHUB_TOKEN }}
           comment-always: true
-          fail-threshold: '150%'
+          fail-threshold: '200%'
+          alert-threshold: '150%'
           auto-push: false

tests/test_benchmarks.py

@@ -3,7 +3,6 @@
 from adam_core.dynamics.propagation import propagate_2body
 from adam_core.time import Timestamp
 
-from precovery.main import precover
 from precovery.observation import ObservationsTable
 
 from .testutils import make_sourceframe_with_observations