[pre-commit.ci] auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

maths/test_sieve_of_atkin.py

@@ -2,9 +2,11 @@
 import pytest
 from maths.sieve_of_atkin import sieve_of_atkin
 
+
 def test_small_primes():
     assert sieve_of_atkin(10) == [2, 3, 5, 7]
 
+
 def test_invalid_limit():
     with pytest.raises(ValueError):
         sieve_of_atkin(1)