Remove unused import.

qnzhou · qnzhou · commit a72ca93c3853 · 2026-01-21T17:41:36.000-05:00
diff --git a/tests/test_all.py b/tests/test_all.py
@@ -1,4 +1,3 @@
-from re import I
 import pytest
 import numpy as np
 # scipy sparse matrices
