lint codes

Zeroto521 · Zeroto521 · commit 1391751a35e4 · 2022-10-30T08:55:34.000+08:00
diff --git a/tests/test_documentation_build.py b/tests/test_documentation_build.py
@@ -2,8 +2,6 @@
 
 import pytest
 
-import pytest
-
 
 # If `mkdocs` wasn't installed in environment, just skip.
 # Can't use `pytest.importorskip("mkdocs")`, 'mkdocs' is also
