Pre-commit fixes

Author: dan-fernandes

tiled/_tests/test_in_memory_authn.py

@@ -1,6 +1,5 @@
 from pathlib import Path
 
-import numpy
 import yaml
 
 from tiled._tests.utils import enter_username_password
@@ -12,6 +11,7 @@
 
 here = Path(__file__).parent.absolute()
 
+
 def test_good_path():
     """Test authn database defaults to in-memory catalog"""
     with open(here / "test_configs" / "config_in_memory_authn.yml") as config_file:
@@ -26,4 +26,4 @@ def test_good_path():
     client.logout()
     context.close()
 
-    assert True
+    assert True