Update test_qpd.py

skpro/distributions/tests/test_qpd.py

@@ -1,6 +1,7 @@
 """Tests for quantile-parameterized distributions."""
 
 import pytest
+
 from skpro.distributions.qpd import QPD_B, QPD_S, QPD_U
 from skpro.tests.test_switch import run_test_for_class